22031132123 has 32 divisors (see below), whose sum is σ = 29842186752. Its totient is φ = 15706252800.

The previous prime is 22031132063. The next prime is 22031132147. The reversal of 22031132123 is 32123113022.

It is not a de Polignac number, because 22031132123 - 2⁸ = 22031131867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22031132095 and 22031132104.

It is not an unprimeable number, because it can be changed into a prime (22031132183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15728 + ... + 210498.

It is an arithmetic number, because the mean of its divisors is an integer number (932568336).

Almost surely, 2^22031132123 is an apocalyptic number.

22031132123 is a deficient number, since it is larger than the sum of its proper divisors (7811054629).

22031132123 is a wasteful number, since it uses less digits than its factorization.

22031132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194915.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22031132123 its reverse (32123113022), we get a palindrome (54154245145).

The spelling of 22031132123 in words is "twenty-two billion, thirty-one million, one hundred thirty-two thousand, one hundred twenty-three".