120112120020 has 48 divisors (see below), whose sum is σ = 336334537728. Its totient is φ = 32027936640.

The previous prime is 120112120019. The next prime is 120112120043. The reversal of 120112120020 is 20021211021.

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 = 120112119978 and 120112120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111842 + ... + 1215078.

It is an arithmetic number, because the mean of its divisors is an integer number (7006969536).

Almost surely, 2^120112120020 is an apocalyptic number.

120112120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112120020 is an abundant number, since it is smaller than the sum of its proper divisors (216222417708).

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

120112120020 is a wasteful number, since it uses less digits than its factorization.

120112120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122640 (or 122638 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120112120020 its reverse (20021211021), we get a palindrome (140133331041).

The spelling of 120112120020 in words is "one hundred twenty billion, one hundred twelve million, one hundred twenty thousand, twenty".