120012220112112 has 120 divisors (see below), whose sum is σ = 355773322822320. Its totient is φ = 37635130644480.

The previous prime is 120012220112047. The next prime is 120012220112159. The reversal of 120012220112112 is 211211022210021.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4412214 + ... + 16108757.

It is an arithmetic number, because the mean of its divisors is an integer number (2964777690186).

Almost surely, 2^{120012220112112} is an apocalyptic number.

120012220112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120012220112112 is an abundant number, since it is smaller than the sum of its proper divisors (235761102710208).

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

120012220112112 is a wasteful number, since it uses less digits than its factorization.

120012220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20523391 (or 20523382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120012220112112 its reverse (211211022210021), we get a palindrome (331223242322133).

The spelling of 120012220112112 in words is "one hundred twenty trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".