1200112101120 has 72 divisors (see below), whose sum is σ = 3832858035216. Its totient is φ = 320029892608.

The previous prime is 1200112101079. The next prime is 1200112101157. The reversal of 1200112101120 is 211012110021.

It is a super-2 number, since 2×1200112101120² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1200112101096 and 1200112101105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156260757 + ... + 156268436.

It is an arithmetic number, because the mean of its divisors is an integer number (53234139378).

Almost surely, 2^{1200112101120} is an apocalyptic number.

1200112101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200112101120 is an abundant number, since it is smaller than the sum of its proper divisors (2632745934096).

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

1200112101120 is an equidigital number, since it uses as much as digits as its factorization.

1200112101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312529217 (or 312529203 counting only the distinct ones).

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

Adding to 1200112101120 its reverse (211012110021), we get a palindrome (1411124211141).

The spelling of 1200112101120 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred one thousand, one hundred twenty".