22233031231212 has 48 divisors (see below), whose sum is σ = 58352811759200. Its totient is φ = 7411010407488.

The previous prime is 22233031231199. The next prime is 22233031231277. The reversal of 22233031231212 is 21213213033222.

22233031231212 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 30 + 312 + 312 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270740637 + ... + 1270758132.

Almost surely, 2^{22233031231212} is an apocalyptic number.

It is an amenable number.

22233031231212 is an abundant number, since it is smaller than the sum of its proper divisors (36119780527988).

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

22233031231212 is an equidigital number, since it uses as much as digits as its factorization.

22233031231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541498794 (or 2541498774 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 22233031231212 its reverse (21213213033222), we get a palindrome (43446244264434).

The spelling of 22233031231212 in words is "twenty-two trillion, two hundred thirty-three billion, thirty-one million, two hundred thirty-one thousand, two hundred twelve".