2012112102222 has 24 divisors (see below), whose sum is σ = 4359713357064. Its totient is φ = 670682936304.

The previous prime is 2012112102199. The next prime is 2012112102257. The reversal of 2012112102222 is 2222012112102.

It is a happy number.

2012112102222 is a `hidden beast` number, since 20 + 1 + 211 + 210 + 2 + 222 = 666.

It is a super-2 number, since 2×2012112102222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012112102195 and 2012112102204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164613 + ... + 2319600.

It is an arithmetic number, because the mean of its divisors is an integer number (181654723211).

Almost surely, 2^{2012112102222} is an apocalyptic number.

2012112102222 is an abundant number, since it is smaller than the sum of its proper divisors (2347601254842).

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

2012112102222 is a wasteful number, since it uses less digits than its factorization.

2012112102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516304 (or 3516301 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2012112102222 its reverse (2222012112102), we get a palindrome (4234124214324).

It can be divided in two parts, 2012112102 and 222, that multiplied together give a palindrome (446688886644).

The spelling of 2012112102222 in words is "two trillion, twelve billion, one hundred twelve million, one hundred two thousand, two hundred twenty-two".