12625499028 has 48 divisors (see below), whose sum is σ = 29997169664. Its totient is φ = 4132101600.

The previous prime is 12625499027. The next prime is 12625499059. The reversal of 12625499028 is 82099452621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625499023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221253 + ... + 272403.

Almost surely, 2^12625499028 is an apocalyptic number.

It is an amenable number.

12625499028 is an abundant number, since it is smaller than the sum of its proper divisors (17371670636).

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

12625499028 is a wasteful number, since it uses less digits than its factorization.

12625499028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51532 (or 51530 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 12625499028 in words is "twelve billion, six hundred twenty-five million, four hundred ninety-nine thousand, twenty-eight".