2122213221312 has 112 divisors (see below), whose sum is σ = 5626043754240. Its totient is φ = 706017134592.

The previous prime is 2122213221299. The next prime is 2122213221361. The reversal of 2122213221312 is 2131223122212.

It is a super-2 number, since 2×2122213221312² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 320621139 + ... + 320627757.

It is an arithmetic number, because the mean of its divisors is an integer number (50232533520).

Almost surely, 2^{2122213221312} is an apocalyptic number.

It is an amenable number.

2122213221312 is an abundant number, since it is smaller than the sum of its proper divisors (3503830532928).

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

2122213221312 is a wasteful number, since it uses less digits than its factorization.

2122213221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658 (or 9648 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 2122213221312 its reverse (2131223122212), we get a palindrome (4253436343524).

The spelling of 2122213221312 in words is "two trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, three hundred twelve".