125573990997212 has 24 divisors (see below), whose sum is σ = 221292686076000. Its totient is φ = 62348748998976.

The previous prime is 125573990997211. The next prime is 125573990997373. The reversal of 125573990997212 is 212799099375521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125573990997211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154561703 + ... + 155372030.

It is an arithmetic number, because the mean of its divisors is an integer number (9220528586500).

Almost surely, 2^{125573990997212} is an apocalyptic number.

It is an amenable number.

125573990997212 is a deficient number, since it is larger than the sum of its proper divisors (95718695078788).

125573990997212 is a wasteful number, since it uses less digits than its factorization.

125573990997212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309934445 (or 309934443 counting only the distinct ones).

The product of its (nonzero) digits is 192893400, while the sum is 71.

The spelling of 125573990997212 in words is "one hundred twenty-five trillion, five hundred seventy-three billion, nine hundred ninety million, nine hundred ninety-seven thousand, two hundred twelve".