22125122512 has 40 divisors (see below), whose sum is σ = 43028870976. Its totient is φ = 11020982016.

The previous prime is 22125122507. The next prime is 22125122531. The reversal of 22125122512 is 21522152122.

It is a congruent number.

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, 5430108 + ... + 5434180.

Almost surely, 2^22125122512 is an apocalyptic number.

It is an amenable number.

22125122512 is a deficient number, since it is larger than the sum of its proper divisors (20903748464).

22125122512 is a wasteful number, since it uses less digits than its factorization.

22125122512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275 (or 5269 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

Adding to 22125122512 its reverse (21522152122), we get a palindrome (43647274634).

The spelling of 22125122512 in words is "twenty-two billion, one hundred twenty-five million, one hundred twenty-two thousand, five hundred twelve".