2122021331212 has 24 divisors (see below), whose sum is σ = 3808213680656. Its totient is φ = 1034068267008.

The previous prime is 2122021331191. The next prime is 2122021331231. The reversal of 2122021331212 is 2121331202212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13419573 + ... + 13576780.

Almost surely, 2^{2122021331212} is an apocalyptic number.

It is an amenable number.

2122021331212 is a deficient number, since it is larger than the sum of its proper divisors (1686192349444).

2122021331212 is a wasteful number, since it uses less digits than its factorization.

2122021331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26996857 (or 26996855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2122021331212 its reverse (2121331202212), we get a palindrome (4243352533424).

The spelling of 2122021331212 in words is "two trillion, one hundred twenty-two billion, twenty-one million, three hundred thirty-one thousand, two hundred twelve".