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123210120233213 = 1323123517869867
BaseRepresentation
bin11100000000111100010111…
…011100110000000011111101
3121011020202212010100002222022
4130000330113130300003331
5112122133311234430323
61114013540422125525
734644431432022326
oct3400742734600375
9534222763302868
10123210120233213
1136293133877092
121199ab43b808a5
135399883b42300
14225d58a14744d
15e39ea0a2b4c8
hex700f177300fd

123210120233213 has 12 divisors (see below), whose sum is σ = 137720645947008. Its totient is φ = 110063630972880.

The previous prime is 123210120233153. The next prime is 123210120233237. The reversal of 123210120233213 is 312332021012321.

It is not a de Polignac number, because 123210120233213 - 216 = 123210120167677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210120233413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11758929695 + ... + 11758940172.

It is an arithmetic number, because the mean of its divisors is an integer number (11476720495584).

Almost surely, 2123210120233213 is an apocalyptic number.

123210120233213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123210120233213 is a deficient number, since it is larger than the sum of its proper divisors (14510525713795).

123210120233213 is a wasteful number, since it uses less digits than its factorization.

123210120233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517869924 (or 23517869911 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123210120233213 its reverse (312332021012321), we get a palindrome (435542141245534).

The spelling of 123210120233213 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred twenty million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 13 31 169 403 5239 23517869867 305732308271 729053965877 3974520007523 9477701556401 123210120233213