21230544264002 has 32 divisors (see below), whose sum is σ = 32284156988160. Its totient is φ = 10470175522560.

The previous prime is 21230544263993. The next prime is 21230544264019. The reversal of 21230544264002 is 20046244503212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316269002 + ... + 316336122.

It is an arithmetic number, because the mean of its divisors is an integer number (1008879905880).

Almost surely, 2^{21230544264002} is an apocalyptic number.

21230544264002 is a deficient number, since it is larger than the sum of its proper divisors (11053612724158).

21230544264002 is a wasteful number, since it uses less digits than its factorization.

21230544264002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74666.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 21230544264002 its reverse (20046244503212), we get a palindrome (41276788767214).

The spelling of 21230544264002 in words is "twenty-one trillion, two hundred thirty billion, five hundred forty-four million, two hundred sixty-four thousand, two".