21374124037204 has 192 divisors, whose sum is σ = 40977398956032. Its totient is φ = 9728777520000.

The previous prime is 21374124037171. The next prime is 21374124037223. The reversal of 21374124037204 is 40273042147312.

It is a super-2 number, since 2×21374124037204² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22570352259 + ... + 22570353205.

It is an arithmetic number, because the mean of its divisors is an integer number (213423952896).

Almost surely, 2^{21374124037204} is an apocalyptic number.

It is an amenable number.

21374124037204 is a deficient number, since it is larger than the sum of its proper divisors (19603274918828).

21374124037204 is a wasteful number, since it uses less digits than its factorization.

21374124037204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 21374124037204 in words is "twenty-one trillion, three hundred seventy-four billion, one hundred twenty-four million, thirty-seven thousand, two hundred four".