21132104323004 has 12 divisors (see below), whose sum is σ = 36990552033624. Its totient is φ = 10563375170544.

The previous prime is 21132104322997. The next prime is 21132104323021. The reversal of 21132104323004 is 40032340123112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669229979 + ... + 669261554.

It is an arithmetic number, because the mean of its divisors is an integer number (3082546002802).

Almost surely, 2^{21132104323004} is an apocalyptic number.

It is an amenable number.

21132104323004 is a deficient number, since it is larger than the sum of its proper divisors (15858447710620).

21132104323004 is a wasteful number, since it uses less digits than its factorization.

21132104323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338495484 (or 1338495482 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21132104323004 its reverse (40032340123112), we get a palindrome (61164444446116).

The spelling of 21132104323004 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred four million, three hundred twenty-three thousand, four".