12012220112202 has 24 divisors (see below), whose sum is σ = 26026558120836. Its totient is φ = 4004060876736.

The previous prime is 12012220112161. The next prime is 12012220112279. The reversal of 12012220112202 is 20221102221021.

It is a happy number.

12012220112202 is a `hidden beast` number, since 120 + 12 + 220 + 112 + 202 = 666.

12012220112202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10887960695481 + 1124259416721 = 3299691^2 + 1060311^2 .

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

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, 6278488 + ... + 7965164.

Almost surely, 2^{12012220112202} is an apocalyptic number.

12012220112202 is an abundant number, since it is smaller than the sum of its proper divisors (14014338008634).

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

12012220112202 is a wasteful number, since it uses less digits than its factorization.

12012220112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082342 (or 2082339 counting only the distinct ones).

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

Adding to 12012220112202 its reverse (20221102221021), we get a palindrome (32233322333223).

The spelling of 12012220112202 in words is "twelve trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred two".