21214064325250 has 64 divisors (see below), whose sum is σ = 41163020121600. Its totient is φ = 8181123772800.

The previous prime is 21214064325221. The next prime is 21214064325281. The reversal of 21214064325250 is 5252346041212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12686275 + ... + 14260774.

It is an arithmetic number, because the mean of its divisors is an integer number (643172189400).

Almost surely, 2^{21214064325250} is an apocalyptic number.

21214064325250 is a deficient number, since it is larger than the sum of its proper divisors (19948955796350).

21214064325250 is a wasteful number, since it uses less digits than its factorization.

21214064325250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947180 (or 26947170 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 21214064325250 in words is "twenty-one trillion, two hundred fourteen billion, sixty-four million, three hundred twenty-five thousand, two hundred fifty".