22464523451212 has 12 divisors (see below), whose sum is σ = 39313047842656. Its totient is φ = 11232224067600.

The previous prime is 22464523451197. The next prime is 22464523451221. The reversal of 22464523451212 is 21215432546422.

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, 8050323 + ... + 10475530.

Almost surely, 2^{22464523451212} is an apocalyptic number.

It is an amenable number.

22464523451212 is a deficient number, since it is larger than the sum of its proper divisors (16848524391444).

22464523451212 is a wasteful number, since it uses less digits than its factorization.

22464523451212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18829008 (or 18829006 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

Adding to 22464523451212 its reverse (21215432546422), we get a palindrome (43679955997634).

The spelling of 22464523451212 in words is "twenty-two trillion, four hundred sixty-four billion, five hundred twenty-three million, four hundred fifty-one thousand, two hundred twelve".