125708163212 has 24 divisors (see below), whose sum is σ = 235191299616. Its totient is φ = 58582441728.

The previous prime is 125708163211. The next prime is 125708163233. The reversal of 125708163212 is 212361807521.

It is not an unprimeable number, because it can be changed into a prime (125708163211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8967023 + ... + 8981030.

It is an arithmetic number, because the mean of its divisors is an integer number (9799637484).

Almost surely, 2^125708163212 is an apocalyptic number.

It is an amenable number.

125708163212 is a deficient number, since it is larger than the sum of its proper divisors (109483136404).

125708163212 is a wasteful number, since it uses less digits than its factorization.

125708163212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948177 (or 17948175 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 125708163212 in words is "one hundred twenty-five billion, seven hundred eight million, one hundred sixty-three thousand, two hundred twelve".