399000020010212 has 6 divisors (see below), whose sum is σ = 698250035017878. Its totient is φ = 199500010005104.

The previous prime is 399000020010197. The next prime is 399000020010247. The reversal of 399000020010212 is 212010020000993.

It can be written as a sum of positive squares in only one way, i.e., 269961461694016 + 129038558316196 = 16430504^2 + 11359514^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49875002501273 + ... + 49875002501280.

It is an arithmetic number, because the mean of its divisors is an integer number (116375005836313).

Almost surely, 2^{399000020010212} is an apocalyptic number.

It is an amenable number.

399000020010212 is a deficient number, since it is larger than the sum of its proper divisors (299250015007666).

399000020010212 is a wasteful number, since it uses less digits than its factorization.

399000020010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99750005002557 (or 99750005002555 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 399000020010212 in words is "three hundred ninety-nine trillion, twenty million, ten thousand, two hundred twelve".