214521016971204 has 72 divisors (see below), whose sum is σ = 543691438224480. Its totient is φ = 71318488032000.

The previous prime is 214521016971203. The next prime is 214521016971223. The reversal of 214521016971204 is 402179610125412.

It is a happy number.

214521016971204 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 210 + 169 + 71 + 204 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 214521016971204.

It is not an unprimeable number, because it can be changed into a prime (214521016971203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100267719 + ... + 102384849.

It is an arithmetic number, because the mean of its divisors is an integer number (7551269975340).

Almost surely, 2^{214521016971204} is an apocalyptic number.

It is an amenable number.

214521016971204 is an abundant number, since it is smaller than the sum of its proper divisors (329170421253276).

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

214521016971204 is a wasteful number, since it uses less digits than its factorization.

214521016971204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124561 (or 2124556 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 214521016971204 in words is "two hundred fourteen trillion, five hundred twenty-one billion, sixteen million, nine hundred seventy-one thousand, two hundred four".