125102712051 has 12 divisors (see below), whose sum is σ = 180983220912. Its totient is φ = 83272898736.

The previous prime is 125102712047. The next prime is 125102712089. The reversal of 125102712051 is 150217201521.

125102712051 is a `hidden beast` number, since 1 + 2 + 510 + 27 + 120 + 5 + 1 = 666.

It is not a de Polignac number, because 125102712051 - 2² = 125102712047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125102713051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10736296 + ... + 10747941.

It is an arithmetic number, because the mean of its divisors is an integer number (15081935076).

Almost surely, 2^125102712051 is an apocalyptic number.

125102712051 is a deficient number, since it is larger than the sum of its proper divisors (55880508861).

125102712051 is a wasteful number, since it uses less digits than its factorization.

125102712051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484890 (or 21484887 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 125102712051 its reverse (150217201521), we get a palindrome (275319913572).

The spelling of 125102712051 in words is "one hundred twenty-five billion, one hundred two million, seven hundred twelve thousand, fifty-one".