2102222232312 has 64 divisors (see below), whose sum is σ = 5268736886400. Its totient is φ = 698984342400.

The previous prime is 2102222232269. The next prime is 2102222232347. The reversal of 2102222232312 is 2132322222012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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, 31921114 + ... + 31986902.

It is an arithmetic number, because the mean of its divisors is an integer number (82324013850).

Almost surely, 2^{2102222232312} is an apocalyptic number.

It is an amenable number.

2102222232312 is an abundant number, since it is smaller than the sum of its proper divisors (3166514654088).

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

2102222232312 is a wasteful number, since it uses less digits than its factorization.

2102222232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69116 (or 69112 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2102222232312 its reverse (2132322222012), we get a palindrome (4234544454324).

The spelling of 2102222232312 in words is "two trillion, one hundred two billion, two hundred twenty-two million, two hundred thirty-two thousand, three hundred twelve".