12725547072 has 112 divisors (see below), whose sum is σ = 39806636160. Its totient is φ = 3510484992.

The previous prime is 12725547059. The next prime is 12725547119. The reversal of 12725547072 is 27074552721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124273 + ... + 202224.

Almost surely, 2^12725547072 is an apocalyptic number.

12725547072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12725547072 is an abundant number, since it is smaller than the sum of its proper divisors (27081089088).

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

12725547072 is a wasteful number, since it uses less digits than its factorization.

12725547072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326548 (or 326538 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 42.

The spelling of 12725547072 in words is "twelve billion, seven hundred twenty-five million, five hundred forty-seven thousand, seventy-two".