21412110252402 has 192 divisors, whose sum is σ = 48882158567424. Its totient is φ = 6767035591680.

The previous prime is 21412110252367. The next prime is 21412110252461. The reversal of 21412110252402 is 20425201121412.

21412110252402 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 2 + 1 + 1 + 0 + 252 + 402 = 666.

It is a super-2 number, since 2×21412110252402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3362979423 + ... + 3362985789.

It is an arithmetic number, because the mean of its divisors is an integer number (254594575872).

Almost surely, 2^{21412110252402} is an apocalyptic number.

21412110252402 is an abundant number, since it is smaller than the sum of its proper divisors (27470048315022).

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

21412110252402 is a wasteful number, since it uses less digits than its factorization.

21412110252402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 21412110252402 its reverse (20425201121412), we get a palindrome (41837311373814).

The spelling of 21412110252402 in words is "twenty-one trillion, four hundred twelve billion, one hundred ten million, two hundred fifty-two thousand, four hundred two".