12223231012012 has 6 divisors (see below), whose sum is σ = 21390654271028. Its totient is φ = 6111615506004.

The previous prime is 12223231011989. The next prime is 12223231012021. The reversal of 12223231012012 is 21021013232221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527903876498 + ... + 1527903876505.

Almost surely, 2^{12223231012012} is an apocalyptic number.

It is an amenable number.

12223231012012 is a deficient number, since it is larger than the sum of its proper divisors (9167423259016).

12223231012012 is a wasteful number, since it uses less digits than its factorization.

12223231012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055807753007 (or 3055807753005 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12223231012012 its reverse (21021013232221), we get a palindrome (33244244244233).

The spelling of 12223231012012 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, twelve thousand, twelve".