397995026012 has 12 divisors (see below), whose sum is σ = 703387249656. Its totient is φ = 197027240400.

The previous prime is 397995025979. The next prime is 397995026029. The reversal of 397995026012 is 210620599793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492567698 + ... + 492568505.

It is an arithmetic number, because the mean of its divisors is an integer number (58615604138).

Almost surely, 2^397995026012 is an apocalyptic number.

It is an amenable number.

397995026012 is a deficient number, since it is larger than the sum of its proper divisors (305392223644).

397995026012 is a wasteful number, since it uses less digits than its factorization.

397995026012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985136308 (or 985136306 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 397995026012 in words is "three hundred ninety-seven billion, nine hundred ninety-five million, twenty-six thousand, twelve".