388339723212 has 48 divisors (see below), whose sum is σ = 1039698438912. Its totient is φ = 110512152000.

The previous prime is 388339723153. The next prime is 388339723237. The reversal of 388339723212 is 212327933883.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9188263 + ... + 9230430.

It is an arithmetic number, because the mean of its divisors is an integer number (21660384144).

Almost surely, 2^388339723212 is an apocalyptic number.

It is an amenable number.

388339723212 is an abundant number, since it is smaller than the sum of its proper divisors (651358715700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388339723212 is a wasteful number, since it uses less digits than its factorization.

388339723212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418958 (or 18418956 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 388339723212 in words is "three hundred eighty-eight billion, three hundred thirty-nine million, seven hundred twenty-three thousand, two hundred twelve".