22133012211212 has 96 divisors (see below), whose sum is σ = 45930055987200. Its totient is φ = 9130994998272.

The previous prime is 22133012211187. The next prime is 22133012211217. The reversal of 22133012211212 is 21211221033122.

It is not an unprimeable number, because it can be changed into a prime (22133012211217) 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, 507232148 + ... + 507275780.

It is an arithmetic number, because the mean of its divisors is an integer number (478438083200).

Almost surely, 2^{22133012211212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22133012211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22965027993600).

22133012211212 is an abundant number, since it is smaller than the sum of its proper divisors (23797043775988).

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

22133012211212 is a wasteful number, since it uses less digits than its factorization.

22133012211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45535 (or 45533 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22133012211212 its reverse (21211221033122), we get a palindrome (43344233244334).

The spelling of 22133012211212 in words is "twenty-two trillion, one hundred thirty-three billion, twelve million, two hundred eleven thousand, two hundred twelve".