21412232334 has 32 divisors (see below), whose sum is σ = 48868763040. Its totient is φ = 6944507136.

The previous prime is 21412232287. The next prime is 21412232351. The reversal of 21412232334 is 43323221412.

21412232334 is a `hidden beast` number, since 214 + 122 + 323 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 21412232298 and 21412232307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5356419 + ... + 5360414.

It is an arithmetic number, because the mean of its divisors is an integer number (1527148845).

Almost surely, 2^21412232334 is an apocalyptic number.

21412232334 is an abundant number, since it is smaller than the sum of its proper divisors (27456530706).

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

21412232334 is a wasteful number, since it uses less digits than its factorization.

21412232334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716881 (or 10716875 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 21412232334 its reverse (43323221412), we get a palindrome (64735453746).

The spelling of 21412232334 in words is "twenty-one billion, four hundred twelve million, two hundred thirty-two thousand, three hundred thirty-four".