23012431212 has 24 divisors (see below), whose sum is σ = 54838135296. Its totient is φ = 7507601488.

The previous prime is 23012431199. The next prime is 23012431313. The reversal of 23012431212 is 21213421032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20400528 + ... + 20401655.

It is an arithmetic number, because the mean of its divisors is an integer number (2284922304).

Almost surely, 2^23012431212 is an apocalyptic number.

It is an amenable number.

23012431212 is an abundant number, since it is smaller than the sum of its proper divisors (31825704084).

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

23012431212 is a wasteful number, since it uses less digits than its factorization.

23012431212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40802237 (or 40802235 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23012431212 its reverse (21213421032), we get a palindrome (44225852244).

The spelling of 23012431212 in words is "twenty-three billion, twelve million, four hundred thirty-one thousand, two hundred twelve".