120112121022020 has 12 divisors (see below), whose sum is σ = 252235454146284. Its totient is φ = 48044848408800.

The previous prime is 120112121021969. The next prime is 120112121022029. The reversal of 120112121022020 is 20220121211021.

It can be written as a sum of positive squares in 2 ways, for example, as 17897756369476 + 102214364652544 = 4230574^2 + 10110112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120112121022020.

It is not an unprimeable number, because it can be changed into a prime (120112121022029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002803025531 + ... + 3002803025570.

It is an arithmetic number, because the mean of its divisors is an integer number (21019621178857).

Almost surely, 2^{120112121022020} is an apocalyptic number.

120112121022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112121022020 is an abundant number, since it is smaller than the sum of its proper divisors (132123333124264).

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

120112121022020 is a wasteful number, since it uses less digits than its factorization.

120112121022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005606051110 (or 6005606051108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120112121022020 its reverse (20220121211021), we get a palindrome (140332242233041).

The spelling of 120112121022020 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, twenty".