21412104120 has 96 divisors (see below), whose sum is σ = 75915655920. Its totient is φ = 5190812160.

The previous prime is 21412104097. The next prime is 21412104139. The reversal of 21412104120 is 2140121412.

21412104120 is a `hidden beast` number, since 2 + 1 + 41 + 210 + 412 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21412104093 and 21412104102.

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, 2699589 + ... + 2707508.

Almost surely, 2^21412104120 is an apocalyptic number.

21412104120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21412104120 is an abundant number, since it is smaller than the sum of its proper divisors (54503551800).

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

21412104120 is a wasteful number, since it uses less digits than its factorization.

21412104120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407125 (or 5407118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21412104120 its reverse (2140121412), we get a palindrome (23552225532).

The spelling of 21412104120 in words is "twenty-one billion, four hundred twelve million, one hundred four thousand, one hundred twenty".