23012566212 has 24 divisors (see below), whose sum is σ = 53705850912. Its totient is φ = 7669446400.

The previous prime is 23012566177. The next prime is 23012566261. The reversal of 23012566212 is 21266521032.

It is a self number, because there is not a number n which added to its sum of digits gives 23012566212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106989 + ... + 239732.

It is an arithmetic number, because the mean of its divisors is an integer number (2237743788).

Almost surely, 2^23012566212 is an apocalyptic number.

It is an amenable number.

23012566212 is an abundant number, since it is smaller than the sum of its proper divisors (30693284700).

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

23012566212 is a wasteful number, since it uses less digits than its factorization.

23012566212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352259 (or 352257 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 23012566212 in words is "twenty-three billion, twelve million, five hundred sixty-six thousand, two hundred twelve".