23320012212 has 96 divisors (see below), whose sum is σ = 69971148800. Its totient is φ = 6578503776.

The previous prime is 23320012193. The next prime is 23320012223. The reversal of 23320012212 is 21221002332.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135508 + ... + 254955.

Almost surely, 2^23320012212 is an apocalyptic number.

It is an amenable number.

23320012212 is an abundant number, since it is smaller than the sum of its proper divisors (46651136588).

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

23320012212 is a wasteful number, since it uses less digits than its factorization.

23320012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390562 (or 390554 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23320012212 its reverse (21221002332), we get a palindrome (44541014544).

The spelling of 23320012212 in words is "twenty-three billion, three hundred twenty million, twelve thousand, two hundred twelve".