1212112133022 has 64 divisors (see below), whose sum is σ = 2829804572160. Its totient is φ = 338975784576.

The previous prime is 1212112132981. The next prime is 1212112133027. The reversal of 1212112133022 is 2203312112121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1212112133022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212112133027) 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, 929997 + ... + 1813592.

It is an arithmetic number, because the mean of its divisors is an integer number (44215696440).

Almost surely, 2^{1212112133022} is an apocalyptic number.

1212112133022 is an abundant number, since it is smaller than the sum of its proper divisors (1617692439138).

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

1212112133022 is a wasteful number, since it uses less digits than its factorization.

1212112133022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743825.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1212112133022 its reverse (2203312112121), we get a palindrome (3415424245143).

The spelling of 1212112133022 in words is "one trillion, two hundred twelve billion, one hundred twelve million, one hundred thirty-three thousand, twenty-two".