2220112112212 has 24 divisors (see below), whose sum is σ = 3905256851496. Its totient is φ = 1104332709888.

The previous prime is 2220112112189. The next prime is 2220112112237. The reversal of 2220112112212 is 2122112110222.

It can be written as a sum of positive squares in 4 ways, for example, as 686190229956 + 1533921882256 = 828366^2 + 1238516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2220112112212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41598 + ... + 2107594.

It is an arithmetic number, because the mean of its divisors is an integer number (162719035479).

Almost surely, 2^{2220112112212} is an apocalyptic number.

It is an amenable number.

2220112112212 is a deficient number, since it is larger than the sum of its proper divisors (1685144739284).

2220112112212 is a wasteful number, since it uses less digits than its factorization.

2220112112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067387 (or 2067385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2220112112212 its reverse (2122112110222), we get a palindrome (4342224222434).

The spelling of 2220112112212 in words is "two trillion, two hundred twenty billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".