112122001021200 has 60 divisors (see below), whose sum is σ = 359164143275088. Its totient is φ = 29899200272000.

The previous prime is 112122001021193. The next prime is 112122001021333. The reversal of 112122001021200 is 2120100221211.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×112122001021200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112122001021200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46717499226 + ... + 46717501625.

Almost surely, 2^{112122001021200} is an apocalyptic number.

112122001021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122001021200 is an abundant number, since it is smaller than the sum of its proper divisors (247042142253888).

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

112122001021200 is a wasteful number, since it uses less digits than its factorization.

112122001021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93435000872 (or 93435000861 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112122001021200 its reverse (2120100221211), we get a palindrome (114242101242411).

The spelling of 112122001021200 in words is "one hundred twelve trillion, one hundred twenty-two billion, one million, twenty-one thousand, two hundred".