393215231372 has 12 divisors (see below), whose sum is σ = 688131764040. Its totient is φ = 196606155936.

The previous prime is 393215231371. The next prime is 393215231389. The reversal of 393215231372 is 273132512393.

It is not an unprimeable number, because it can be changed into a prime (393215231371) by changing a digit.

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, 436904 + ... + 988592.

It is an arithmetic number, because the mean of its divisors is an integer number (57344313670).

Almost surely, 2^393215231372 is an apocalyptic number.

It is an amenable number.

393215231372 is a deficient number, since it is larger than the sum of its proper divisors (294916532668).

393215231372 is a wasteful number, since it uses less digits than its factorization.

393215231372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729880 (or 729878 counting only the distinct ones).

The product of its digits is 204120, while the sum is 41.

The spelling of 393215231372 in words is "three hundred ninety-three billion, two hundred fifteen million, two hundred thirty-one thousand, three hundred seventy-two".