21412402420302 has 24 divisors (see below), whose sum is σ = 48410648951184. Its totient is φ = 6827142800544.

The previous prime is 21412402420261. The next prime is 21412402420309. The reversal of 21412402420302 is 20302420421412.

It is a happy number.

21412402420302 is a `hidden beast` number, since 2 + 1 + 412 + 4 + 0 + 242 + 0 + 3 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412402420309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25860388983 + ... + 25860389810.

It is an arithmetic number, because the mean of its divisors is an integer number (2017110372966).

Almost surely, 2^{21412402420302} is an apocalyptic number.

21412402420302 is an abundant number, since it is smaller than the sum of its proper divisors (26998246530882).

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

21412402420302 is a wasteful number, since it uses less digits than its factorization.

21412402420302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51720778824 (or 51720778821 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 21412402420302 its reverse (20302420421412), we get a palindrome (41714822841714).

The spelling of 21412402420302 in words is "twenty-one trillion, four hundred twelve billion, four hundred two million, four hundred twenty thousand, three hundred two".