2122210222212 has 48 divisors (see below), whose sum is σ = 5148310571712. Its totient is φ = 679848913920.

The previous prime is 2122210222183. The next prime is 2122210222219. The reversal of 2122210222212 is 2122220122212.

It is a super-2 number, since 2×2122210222212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122210222219) 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, 32156853 + ... + 32222780.

It is an arithmetic number, because the mean of its divisors is an integer number (107256470244).

Almost surely, 2^{2122210222212} is an apocalyptic number.

It is an amenable number.

2122210222212 is an abundant number, since it is smaller than the sum of its proper divisors (3026100349500).

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

2122210222212 is a wasteful number, since it uses less digits than its factorization.

2122210222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64379748 (or 64379746 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2122210222212 its reverse (2122220122212), we get a palindrome (4244430344424).

The spelling of 2122210222212 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-two thousand, two hundred twelve".