12250025656 has 16 divisors (see below), whose sum is σ = 25056870840. Its totient is φ = 5568193440.

The previous prime is 12250025651. The next prime is 12250025663. The reversal of 12250025656 is 65652005221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250025651) 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, 69602331 + ... + 69602506.

Almost surely, 2^12250025656 is an apocalyptic number.

It is an amenable number.

12250025656 is an abundant number, since it is smaller than the sum of its proper divisors (12806845184).

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

12250025656 is a wasteful number, since it uses less digits than its factorization.

12250025656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139204854 (or 139204850 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 12250025656 in words is "twelve billion, two hundred fifty million, twenty-five thousand, six hundred fifty-six".