2102202212012 has 48 divisors (see below), whose sum is σ = 4222394104320. Its totient is φ = 897096356352.

The previous prime is 2102202212009. The next prime is 2102202212023. The reversal of 2102202212012 is 2102122022012.

It is a happy 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, 6609623 + ... + 6920369.

It is an arithmetic number, because the mean of its divisors is an integer number (87966543840).

Almost surely, 2^{2102202212012} is an apocalyptic number.

It is an amenable number.

2102202212012 is an abundant number, since it is smaller than the sum of its proper divisors (2120191892308).

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

2102202212012 is a wasteful number, since it uses less digits than its factorization.

2102202212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311790 (or 311788 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102202212012 its reverse (2102122022012), we get a palindrome (4204324234024).

The spelling of 2102202212012 in words is "two trillion, one hundred two billion, two hundred two million, two hundred twelve thousand, twelve".