12965595072 has 28 divisors (see below), whose sum is σ = 34304804136. Its totient is φ = 4321864960.

The previous prime is 12965595053. The next prime is 12965595073. The reversal of 12965595072 is 27059556921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965595073) 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, 33764379 + ... + 33764762.

Almost surely, 2^12965595072 is an apocalyptic number.

12965595072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12965595072 is an abundant number, since it is smaller than the sum of its proper divisors (21339209064).

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

12965595072 is an equidigital number, since it uses as much as digits as its factorization.

12965595072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67529156 (or 67529146 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 51.

The spelling of 12965595072 in words is "twelve billion, nine hundred sixty-five million, five hundred ninety-five thousand, seventy-two".