22193412712 has 8 divisors (see below), whose sum is σ = 41612648850. Its totient is φ = 11096706352.

The previous prime is 22193412691. The next prime is 22193412727. The reversal of 22193412712 is 21721439122.

It can be written as a sum of positive squares in only one way, i.e., 15691570756 + 6501841956 = 125266^2 + 80634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387088287 + ... + 1387088302.

Almost surely, 2^22193412712 is an apocalyptic number.

It is an amenable number.

22193412712 is a deficient number, since it is larger than the sum of its proper divisors (19419236138).

22193412712 is a wasteful number, since it uses less digits than its factorization.

22193412712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774176595 (or 2774176591 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The spelling of 22193412712 in words is "twenty-two billion, one hundred ninety-three million, four hundred twelve thousand, seven hundred twelve".