212639049960 has 32 divisors (see below), whose sum is σ = 637917150240. Its totient is φ = 56703746624.

The previous prime is 212639049949. The next prime is 212639049971. The reversal of 212639049960 is 69940936212.

It is an interprime number because it is at equal distance from previous prime (212639049949) and next prime (212639049971).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885995922 + ... + 885996161.

It is an arithmetic number, because the mean of its divisors is an integer number (19934910945).

Almost surely, 2^212639049960 is an apocalyptic number.

212639049960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212639049960 is an abundant number, since it is smaller than the sum of its proper divisors (425278100280).

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

212639049960 is a wasteful number, since it uses less digits than its factorization.

212639049960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771992097 (or 1771992093 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 212639049960 in words is "two hundred twelve billion, six hundred thirty-nine million, forty-nine thousand, nine hundred sixty".