23021200012 has 12 divisors (see below), whose sum is σ = 42656929560. Its totient is φ = 10833505856.

The previous prime is 23021199989. The next prime is 23021200021. The reversal of 23021200012 is 21000212032.

It is a junction number, because it is equal to n+sod(n) for n = 23021199965 and 23021200001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169273462 + ... + 169273597.

It is an arithmetic number, because the mean of its divisors is an integer number (3554744130).

Almost surely, 2^23021200012 is an apocalyptic number.

It is an amenable number.

23021200012 is a deficient number, since it is larger than the sum of its proper divisors (19635729548).

23021200012 is a wasteful number, since it uses less digits than its factorization.

23021200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338547080 (or 338547078 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23021200012 its reverse (21000212032), we get a palindrome (44021412044).

The spelling of 23021200012 in words is "twenty-three billion, twenty-one million, two hundred thousand, twelve".