12220111020112 has 20 divisors (see below), whose sum is σ = 23704684990560. Its totient is φ = 6102772958048.

The previous prime is 12220111020109. The next prime is 12220111020127. The reversal of 12220111020112 is 21102011102221.

It is a super-2 number, since 2×12220111020112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455145658 + ... + 455172505.

It is an arithmetic number, because the mean of its divisors is an integer number (1185234249528).

Almost surely, 2^{12220111020112} is an apocalyptic number.

It is an amenable number.

12220111020112 is a deficient number, since it is larger than the sum of its proper divisors (11484573970448).

12220111020112 is an equidigital number, since it uses as much as digits as its factorization.

12220111020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910319010 (or 910319004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12220111020112 its reverse (21102011102221), we get a palindrome (33322122122333).

The spelling of 12220111020112 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, one hundred twelve".