22123605512 has 32 divisors (see below), whose sum is σ = 42012643680. Its totient is φ = 10920432000.

The previous prime is 22123605473. The next prime is 22123605533. The reversal of 22123605512 is 21550632122.

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, 939887 + ... + 963137.

It is an arithmetic number, because the mean of its divisors is an integer number (1312895115).

Almost surely, 2^22123605512 is an apocalyptic number.

It is an amenable number.

22123605512 is a deficient number, since it is larger than the sum of its proper divisors (19889038168).

22123605512 is a wasteful number, since it uses less digits than its factorization.

22123605512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24773 (or 24769 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 22123605512 in words is "twenty-two billion, one hundred twenty-three million, six hundred five thousand, five hundred twelve".