2122122212212 has 48 divisors (see below), whose sum is σ = 3971519556480. Its totient is φ = 989302896000.

The previous prime is 2122122212209. The next prime is 2122122212213.

2122122212212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122212213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454162 + ... + 2109622.

It is an arithmetic number, because the mean of its divisors is an integer number (82739990760).

Almost surely, 2^{2122122212212} is an apocalyptic number.

It is an amenable number.

2122122212212 is a deficient number, since it is larger than the sum of its proper divisors (1849397344268).

2122122212212 is a wasteful number, since it uses less digits than its factorization.

2122122212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655752 (or 1655750 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Multiplying 2122122212212 by its sum of digits (22), we get a palindrome (46686688668664).

The spelling of 2122122212212 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".