399605014212 has 12 divisors (see below), whose sum is σ = 932411699856. Its totient is φ = 133201671400.

The previous prime is 399605014157. The next prime is 399605014217. The reversal of 399605014212 is 212410506993.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (399605014217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16650208914 + ... + 16650208937.

It is an arithmetic number, because the mean of its divisors is an integer number (77700974988).

Almost surely, 2^399605014212 is an apocalyptic number.

It is an amenable number.

399605014212 is an abundant number, since it is smaller than the sum of its proper divisors (532806685644).

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

399605014212 is a wasteful number, since it uses less digits than its factorization.

399605014212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33300417858 (or 33300417856 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 399605014212 in words is "three hundred ninety-nine billion, six hundred five million, fourteen thousand, two hundred twelve".