22000132312 has 16 divisors (see below), whose sum is σ = 42209556840. Its totient is φ = 10744250496.

The previous prime is 22000132309. The next prime is 22000132333. The reversal of 22000132312 is 21323100022.

It is a congruent number.

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, 31976593 + ... + 31977280.

Almost surely, 2^22000132312 is an apocalyptic number.

It is an amenable number.

22000132312 is a deficient number, since it is larger than the sum of its proper divisors (20209424528).

22000132312 is a wasteful number, since it uses less digits than its factorization.

22000132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63953922 (or 63953918 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22000132312 its reverse (21323100022), we get a palindrome (43323232334).

The spelling of 22000132312 in words is "twenty-two billion, one hundred thirty-two thousand, three hundred twelve".