399900233122 has 8 divisors (see below), whose sum is σ = 645992684316. Its totient is φ = 184569338352.

The previous prime is 399900233113. The next prime is 399900233137. The reversal of 399900233122 is 221332009993.

It can be written as a sum of positive squares in 2 ways, for example, as 398099164401 + 1801068721 = 630951^2 + 42439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7690389073 + ... + 7690389124.

Almost surely, 2^399900233122 is an apocalyptic number.

399900233122 is a deficient number, since it is larger than the sum of its proper divisors (246092451194).

399900233122 is a wasteful number, since it uses less digits than its factorization.

399900233122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380778212.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 399900233122 in words is "three hundred ninety-nine billion, nine hundred million, two hundred thirty-three thousand, one hundred twenty-two".