21412312024 has 16 divisors (see below), whose sum is σ = 41893654320. Its totient is φ = 10240670880.

The previous prime is 21412312003. The next prime is 21412312079. The reversal of 21412312024 is 42021321412.

It is a junction number, because it is equal to n+sod(n) for n = 21412311986 and 21412312004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58185447 + ... + 58185814.

It is an arithmetic number, because the mean of its divisors is an integer number (2618353395).

Almost surely, 2^21412312024 is an apocalyptic number.

It is an amenable number.

21412312024 is a deficient number, since it is larger than the sum of its proper divisors (20481342296).

21412312024 is a wasteful number, since it uses less digits than its factorization.

21412312024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116371290 (or 116371286 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21412312024 its reverse (42021321412), we get a palindrome (63433633436).

The spelling of 21412312024 in words is "twenty-one billion, four hundred twelve million, three hundred twelve thousand, twenty-four".