213222587156208 has 120 divisors (see below), whose sum is σ = 687343703441408. Its totient is φ = 60441048291456.

The previous prime is 213222587156153. The next prime is 213222587156261. The reversal of 213222587156208 is 802651785222312.

213222587156208 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 2 + 5 + 8 + 7 + 1 + 5 + 620 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 832668616 + ... + 832924647.

Almost surely, 2^{213222587156208} is an apocalyptic number.

213222587156208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213222587156208 is an abundant number, since it is smaller than the sum of its proper divisors (474121116285200).

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

213222587156208 is a wasteful number, since it uses less digits than its factorization.

213222587156208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665593411 (or 1665593402 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 213222587156208 in words is "two hundred thirteen trillion, two hundred twenty-two billion, five hundred eighty-seven million, one hundred fifty-six thousand, two hundred eight".