125656001012 has 12 divisors (see below), whose sum is σ = 219900932160. Its totient is φ = 62827163256.

The previous prime is 125656000999. The next prime is 125656001021. The reversal of 125656001012 is 210100656521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231539 + ... + 552197.

It is an arithmetic number, because the mean of its divisors is an integer number (18325077680).

Almost surely, 2^125656001012 is an apocalyptic number.

It is an amenable number.

125656001012 is a deficient number, since it is larger than the sum of its proper divisors (94244931148).

125656001012 is a wasteful number, since it uses less digits than its factorization.

125656001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418630 (or 418628 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 125656001012 its reverse (210100656521), we get a palindrome (335756657533).

The spelling of 125656001012 in words is "one hundred twenty-five billion, six hundred fifty-six million, one thousand, twelve".