12221020220112 has 60 divisors (see below), whose sum is σ = 37311145070784. Its totient is φ = 3703339460160.

The previous prime is 12221020220033. The next prime is 12221020220113. The reversal of 12221020220112 is 21102202012221.

It is a happy number.

12221020220112 is a `hidden beast` number, since 122 + 210 + 2 + 0 + 220 + 112 = 666.

12221020220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221020220113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3857643688 + ... + 3857646855.

Almost surely, 2^{12221020220112} is an apocalyptic number.

12221020220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221020220112 is an abundant number, since it is smaller than the sum of its proper divisors (25090124850672).

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

12221020220112 is a wasteful number, since it uses less digits than its factorization.

12221020220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715290568 (or 7715290559 counting only the distinct ones).

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

Adding to 12221020220112 its reverse (21102202012221), we get a palindrome (33323222232333).

The spelling of 12221020220112 in words is "twelve trillion, two hundred twenty-one billion, twenty million, two hundred twenty thousand, one hundred twelve".