125663007212 has 24 divisors (see below), whose sum is σ = 220521285600. Its totient is φ = 62657070336.

The previous prime is 125663007203. The next prime is 125663007227. The reversal of 125663007212 is 212700366521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3721718 + ... + 3755330.

It is an arithmetic number, because the mean of its divisors is an integer number (9188386900).

Almost surely, 2^125663007212 is an apocalyptic number.

It is an amenable number.

125663007212 is a deficient number, since it is larger than the sum of its proper divisors (94858278388).

125663007212 is a wasteful number, since it uses less digits than its factorization.

125663007212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36185 (or 36183 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 125663007212 in words is "one hundred twenty-five billion, six hundred sixty-three million, seven thousand, two hundred twelve".