23212332012 has 48 divisors (see below), whose sum is σ = 54404362880. Its totient is φ = 7702915968.

The previous prime is 23212332001. The next prime is 23212332019. The reversal of 23212332012 is 21023321232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23212332012.

It is not an unprimeable number, because it can be changed into a prime (23212332019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562363 + ... + 2571405.

Almost surely, 2^23212332012 is an apocalyptic number.

It is an amenable number.

23212332012 is an abundant number, since it is smaller than the sum of its proper divisors (31192030868).

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

23212332012 is a wasteful number, since it uses less digits than its factorization.

23212332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23212332012 its reverse (21023321232), we get a palindrome (44235653244).

The spelling of 23212332012 in words is "twenty-three billion, two hundred twelve million, three hundred thirty-two thousand, twelve".