12220102304442 has 64 divisors (see below), whose sum is σ = 27258151415040. Its totient is φ = 4058027926848.

The previous prime is 12220102304441. The next prime is 12220102304453. The reversal of 12220102304442 is 24440320102221.

It is a happy number.

12220102304442 is a `hidden beast` number, since 12 + 2 + 201 + 0 + 2 + 3 + 0 + 4 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12220102304441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27804123 + ... + 28240209.

It is an arithmetic number, because the mean of its divisors is an integer number (425908615860).

Almost surely, 2^{12220102304442} is an apocalyptic number.

12220102304442 is an abundant number, since it is smaller than the sum of its proper divisors (15038049110598).

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

12220102304442 is a wasteful number, since it uses less digits than its factorization.

12220102304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438052 (or 438046 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12220102304442 its reverse (24440320102221), we get a palindrome (36660422406663).

The spelling of 12220102304442 in words is "twelve trillion, two hundred twenty billion, one hundred two million, three hundred four thousand, four hundred forty-two".