12545072304 has 40 divisors (see below), whose sum is σ = 33097643520. Its totient is φ = 4092717888.

The previous prime is 12545072291. The next prime is 12545072347. The reversal of 12545072304 is 40327054521.

It is a super-2 number, since 2×12545072304² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778124 + ... + 2782635.

It is an arithmetic number, because the mean of its divisors is an integer number (827441088).

Almost surely, 2^12545072304 is an apocalyptic number.

It is an amenable number.

12545072304 is an abundant number, since it is smaller than the sum of its proper divisors (20552571216).

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

12545072304 is a wasteful number, since it uses less digits than its factorization.

12545072304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560817 (or 5560811 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 12545072304 in words is "twelve billion, five hundred forty-five million, seventy-two thousand, three hundred four".