12220210220112 has 60 divisors (see below), whose sum is σ = 34513374092340. Its totient is φ = 4036032728064.

The previous prime is 12220210220081. The next prime is 12220210220149. The reversal of 12220210220112 is 21102201202221.

It is a happy number.

12220210220112 is a `hidden beast` number, since 1 + 2 + 220 + 210 + 220 + 1 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7274585756736 + 4945624463376 = 2697144^2 + 2223876^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389262153 + ... + 389293544.

It is an arithmetic number, because the mean of its divisors is an integer number (575222901539).

Almost surely, 2^{12220210220112} is an apocalyptic number.

12220210220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220210220112 is an abundant number, since it is smaller than the sum of its proper divisors (22293163872228).

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

12220210220112 is a wasteful number, since it uses less digits than its factorization.

12220210220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778555820 (or 778555811 counting only the distinct ones).

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

Adding to 12220210220112 its reverse (21102201202221), we get a palindrome (33322411422333).

The spelling of 12220210220112 in words is "twelve trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, one hundred twelve".