2102212212212 has 48 divisors (see below), whose sum is σ = 4323268037760. Its totient is φ = 875540368512.

The previous prime is 2102212212211. The next prime is 2102212212227. The reversal of 2102212212212 is 2122122122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102212212211) 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, 365018 + ... + 2082705.

It is an arithmetic number, because the mean of its divisors is an integer number (90068084120).

Almost surely, 2^{2102212212212} is an apocalyptic number.

It is an amenable number.

2102212212212 is an abundant number, since it is smaller than the sum of its proper divisors (2221055825548).

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

2102212212212 is a wasteful number, since it uses less digits than its factorization.

2102212212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448600 (or 2448598 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2102212212212 its reverse (2122122122012), we get a palindrome (4224334334224).

The spelling of 2102212212212 in words is "two trillion, one hundred two billion, two hundred twelve million, two hundred twelve thousand, two hundred twelve".