812973972130 has 32 divisors (see below), whose sum is σ = 1477422146304. Its totient is φ = 322064762496.

The previous prime is 812973972119. The next prime is 812973972197. The reversal of 812973972130 is 31279379218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4002199 + ... + 4200421.

It is an arithmetic number, because the mean of its divisors is an integer number (46169442072).

Almost surely, 2^812973972130 is an apocalyptic number.

812973972130 is a deficient number, since it is larger than the sum of its proper divisors (664448174174).

812973972130 is a wasteful number, since it uses less digits than its factorization.

812973972130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202170.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 812973972130 in words is "eight hundred twelve billion, nine hundred seventy-three million, nine hundred seventy-two thousand, one hundred thirty".