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123230213232012 = 223310394111772443
BaseRepresentation
bin11100000001001111000101…
…000101011101010110001100
3121011022200201102212012121000
4130001033011011131112030
5112123000434041411022
61114031102312540300
734646042363501625
oct3401170505352614
9534280642765530
10123230213232012
11362a0704845517
12119a2a110b1690
13539b73687bb03
14226053491aa4c
15e3a779a176ac
hex7013c515d58c

123230213232012 has 96 divisors (see below), whose sum is σ = 322930382261760. Its totient is φ = 40634702602560.

The previous prime is 123230213232011. The next prime is 123230213232017. The reversal of 123230213232012 is 210232312032321.

123230213232012 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 302 + 1 + 32 + 320 + 1 + 2 = 666.

123230213232012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123230213232011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4581463 + ... + 16353905.

It is an arithmetic number, because the mean of its divisors is an integer number (3363858148560).

Almost surely, 2123230213232012 is an apocalyptic number.

123230213232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123230213232012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161465191130880).

123230213232012 is an abundant number, since it is smaller than the sum of its proper divisors (199700169029748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123230213232012 is a wasteful number, since it uses less digits than its factorization.

123230213232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773500 (or 11773492 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123230213232012 its reverse (210232312032321), we get a palindrome (333462525264333).

The spelling of 123230213232012 in words is "one hundred twenty-three trillion, two hundred thirty billion, two hundred thirteen million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 103 108 206 309 412 618 927 941 1236 1854 1882 2781 2823 3708 3764 5562 5646 8469 11124 11292 16938 25407 33876 50814 96923 101628 193846 290769 387692 581538 872307 1163076 1744614 2616921 3489228 5233842 10467684 11772443 23544886 35317329 47089772 70634658 105951987 141269316 211903974 317855961 423807948 635711922 1212561629 1271423844 2425123258 3637684887 4850246516 7275369774 10913054661 11077868863 14550739548 21826109322 22155737726 32739163983 33233606589 43652218644 44311475452 65478327966 66467213178 99700819767 130956655932 132934426356 199401639534 299102459301 398803279068 598204918602 1141020492889 1196409837204 2282040985778 3423061478667 4564081971556 6846122957334 10269184436001 13692245914668 20538368872002 30807553308003 41076737744004 61615106616006 123230213232012