12597552012 has 12 divisors (see below), whose sum is σ = 29394288056. Its totient is φ = 4199184000.

The previous prime is 12597552001. The next prime is 12597552013. The reversal of 12597552012 is 21025579521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12597552013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524897989 + ... + 524898012.

Almost surely, 2^12597552012 is an apocalyptic number.

12597552012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12597552012 is an abundant number, since it is smaller than the sum of its proper divisors (16796736044).

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

12597552012 is a wasteful number, since it uses less digits than its factorization.

12597552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049796008 (or 1049796006 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 12597552012 in words is "twelve billion, five hundred ninety-seven million, five hundred fifty-two thousand, twelve".