12222022100112 has 120 divisors (see below), whose sum is σ = 37323340224768. Its totient is φ = 3702736224000.

The previous prime is 12222022100107. The next prime is 12222022100149. The reversal of 12222022100112 is 21100122022221.

It is a happy number.

12222022100112 is a `hidden beast` number, since 122 + 220 + 2 + 210 + 0 + 112 = 666.

It is a super-2 number, since 2×12222022100112² (a number of 27 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 5540737 + ... + 7425887.

Almost surely, 2^{12222022100112} is an apocalyptic number.

12222022100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222022100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18661670112384).

12222022100112 is an abundant number, since it is smaller than the sum of its proper divisors (25101318124656).

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

12222022100112 is a wasteful number, since it uses less digits than its factorization.

12222022100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889269 (or 1889260 counting only the distinct ones).

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

Adding to 12222022100112 its reverse (21100122022221), we get a palindrome (33322144122333).

The spelling of 12222022100112 in words is "twelve trillion, two hundred twenty-two billion, twenty-two million, one hundred thousand, one hundred twelve".