2102222212212 has 12 divisors (see below), whose sum is σ = 4905185161856. Its totient is φ = 700740737400.

The previous prime is 2102222212177. The next prime is 2102222212229. The reversal of 2102222212212 is 2122122222012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87592592164 + ... + 87592592187.

Almost surely, 2^{2102222212212} is an apocalyptic number.

It is an amenable number.

2102222212212 is an abundant number, since it is smaller than the sum of its proper divisors (2802962949644).

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

2102222212212 is a wasteful number, since it uses less digits than its factorization.

2102222212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175185184358 (or 175185184356 counting only the distinct ones).

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

Adding to 2102222212212 its reverse (2122122222012), we get a palindrome (4224344434224).

The spelling of 2102222212212 in words is "two trillion, one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred twelve".