120112100112 has 40 divisors (see below), whose sum is σ = 318675801856. Its totient is φ = 38955275136.

The previous prime is 120112100111. The next prime is 120112100117. The reversal of 120112100112 is 211001211021.

It is a super-2 number, since 2×120112100112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120112100111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33813568 + ... + 33817119.

Almost surely, 2^120112100112 is an apocalyptic number.

120112100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120112100112 is an abundant number, since it is smaller than the sum of its proper divisors (198563701744).

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

120112100112 is a wasteful number, since it uses less digits than its factorization.

120112100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67630735 (or 67630729 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120112100112 its reverse (211001211021), we get a palindrome (331113311133).

The spelling of 120112100112 in words is "one hundred twenty billion, one hundred twelve million, one hundred thousand, one hundred twelve".