23220132231012 has 72 divisors (see below), whose sum is σ = 57556490953920. Its totient is φ = 7284541017600.

The previous prime is 23220132230951. The next prime is 23220132231031. The reversal of 23220132231012 is 21013223102232.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162581289 + ... + 162724047.

Almost surely, 2^{23220132231012} is an apocalyptic number.

It is an amenable number.

23220132231012 is an abundant number, since it is smaller than the sum of its proper divisors (34336358722908).

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

23220132231012 is a wasteful number, since it uses less digits than its factorization.

23220132231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189701 (or 189682 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23220132231012 its reverse (21013223102232), we get a palindrome (44233355333244).

The spelling of 23220132231012 in words is "twenty-three trillion, two hundred twenty billion, one hundred thirty-two million, two hundred thirty-one thousand, twelve".