213218808885432 has 240 divisors, whose sum is σ = 689338941016440. Its totient is φ = 59502921335424.

The previous prime is 213218808885431. The next prime is 213218808885469. The reversal of 213218808885432 is 234588808812312.

213218808885432 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 1 + 8 + 8 + 0 + 8 + 88 + 543 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 213218808885432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213218808885431) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6908263 + ... + 21775254.

Almost surely, 2^{213218808885432} is an apocalyptic number.

It is an amenable number.

213218808885432 is an abundant number, since it is smaller than the sum of its proper divisors (476120132131008).

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

213218808885432 is a wasteful number, since it uses less digits than its factorization.

213218808885432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28683600 (or 28683572 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 63.

The spelling of 213218808885432 in words is "two hundred thirteen trillion, two hundred eighteen billion, eight hundred eight million, eight hundred eighty-five thousand, four hundred thirty-two".