22012312133 has 8 divisors (see below), whose sum is σ = 25174253568. Its totient is φ = 18854702064.

The previous prime is 22012312129. The next prime is 22012312139. The reversal of 22012312133 is 33121321022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22012312133 - 2² = 22012312129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012312139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071941 + ... + 1092282.

It is an arithmetic number, because the mean of its divisors is an integer number (3146781696).

Almost surely, 2^22012312133 is an apocalyptic number.

It is an amenable number.

22012312133 is a deficient number, since it is larger than the sum of its proper divisors (3161941435).

22012312133 is a wasteful number, since it uses less digits than its factorization.

22012312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165683.

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

Adding to 22012312133 its reverse (33121321022), we get a palindrome (55133633155).

The spelling of 22012312133 in words is "twenty-two billion, twelve million, three hundred twelve thousand, one hundred thirty-three".