223021300012 has 24 divisors (see below), whose sum is σ = 446131051520. Its totient is φ = 95561603280.

The previous prime is 223021299997. The next prime is 223021300063. The reversal of 223021300012 is 210003120322.

It is a super-2 number, since 2×223021300012² (a number of 23 digits) contains 22 as substring.

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, 645564 + ... + 928867.

Almost surely, 2^223021300012 is an apocalyptic number.

It is an amenable number.

223021300012 is an abundant number, since it is smaller than the sum of its proper divisors (223109751508).

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

223021300012 is a wasteful number, since it uses less digits than its factorization.

223021300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579501 (or 1579499 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 223021300012 its reverse (210003120322), we get a palindrome (433024420334).

The spelling of 223021300012 in words is "two hundred twenty-three billion, twenty-one million, three hundred thousand, twelve".