22133412312 has 32 divisors (see below), whose sum is σ = 60363852480. Its totient is φ = 6707094560.

The previous prime is 22133412307. The next prime is 22133412331. The reversal of 22133412312 is 21321433122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 41919078 + ... + 41919605.

It is an arithmetic number, because the mean of its divisors is an integer number (1886370390).

Almost surely, 2^22133412312 is an apocalyptic number.

22133412312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22133412312 is an abundant number, since it is smaller than the sum of its proper divisors (38230440168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22133412312 is a wasteful number, since it uses less digits than its factorization.

22133412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83838703 (or 83838699 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 22133412312 its reverse (21321433122), we get a palindrome (43454845434).

The spelling of 22133412312 in words is "twenty-two billion, one hundred thirty-three million, four hundred twelve thousand, three hundred twelve".