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12001001010 = 2353531133239
BaseRepresentation
bin10110010110101000…
…01011111000110010
31010222101000000110220
423023110023320302
5144034224013020
65302503033510
7603252553065
oct131324137062
933871000426
1012001001010
1150a9285759
1223ab13b896
13119342533b
1481bbdc8dc
154a38bc240
hex2cb50be32

12001001010 has 32 divisors (see below), whose sum is σ = 28884021120. Its totient is φ = 3191198208.

The previous prime is 12001000997. The next prime is 12001001011. The reversal of 12001001010 is 1010010021.

12001001010 is digitally balanced in base 2, 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 (6).

It is a self number, because there is not a number n which added to its sum of digits gives 12001001010.

It is not an unprimeable number, because it can be changed into a prime (12001001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556030 + ... + 577209.

It is an arithmetic number, because the mean of its divisors is an integer number (902625660).

Almost surely, 212001001010 is an apocalyptic number.

12001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001001010 is an abundant number, since it is smaller than the sum of its proper divisors (16883020110).

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

12001001010 is a wasteful number, since it uses less digits than its factorization.

12001001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133602.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 12001001010 its reverse (1010010021), we get a palindrome (13011011031).

The spelling of 12001001010 in words is "twelve billion, one million, one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 353 706 1059 1765 2118 3530 5295 10590 1133239 2266478 3399717 5666195 6799434 11332390 16998585 33997170 400033367 800066734 1200100101 2000166835 2400200202 4000333670 6000500505 12001001010