212904887004 has 36 divisors (see below), whose sum is σ = 538268041584. Its totient is φ = 70956190272.

The previous prime is 212904886979. The next prime is 212904887017. The reversal of 212904887004 is 400788409212.

212904887004 is a `hidden beast` number, since 2 + 12 + 90 + 488 + 70 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289152 + ... + 713735.

It is an arithmetic number, because the mean of its divisors is an integer number (14951890044).

Almost surely, 2^212904887004 is an apocalyptic number.

It is an amenable number.

212904887004 is an abundant number, since it is smaller than the sum of its proper divisors (325363154580).

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

212904887004 is a wasteful number, since it uses less digits than its factorization.

212904887004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008794 (or 1008789 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 212904887004 in words is "two hundred twelve billion, nine hundred four million, eight hundred eighty-seven thousand, four".