21004134141300 has 72 divisors (see below), whose sum is σ = 60806630376576. Its totient is φ = 5597907144960.

The previous prime is 21004134141247. The next prime is 21004134141313. The reversal of 21004134141300 is 314143140012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19443804 + ... + 20495603.

It is an arithmetic number, because the mean of its divisors is an integer number (844536533008).

Almost surely, 2^{21004134141300} is an apocalyptic number.

21004134141300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21004134141300 is an abundant number, since it is smaller than the sum of its proper divisors (39802496235276).

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

21004134141300 is a wasteful number, since it uses less digits than its factorization.

21004134141300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39941177 (or 39941170 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21004134141300 its reverse (314143140012), we get a palindrome (21318277281312).

The spelling of 21004134141300 in words is "twenty-one trillion, four billion, one hundred thirty-four million, one hundred forty-one thousand, three hundred".