120002012111220 has 48 divisors (see below), whose sum is σ = 337079134392000. Its totient is φ = 31898298422016.

The previous prime is 120002012111213. The next prime is 120002012111309. The reversal of 120002012111220 is 22111210200021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120002012111220.

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, 3194922970 + ... + 3194960529.

It is an arithmetic number, because the mean of its divisors is an integer number (7022481966500).

Almost surely, 2^{120002012111220} is an apocalyptic number.

120002012111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120002012111220 is an abundant number, since it is smaller than the sum of its proper divisors (217077122280780).

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

120002012111220 is a wasteful number, since it uses less digits than its factorization.

120002012111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389883824 (or 6389883822 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120002012111220 its reverse (22111210200021), we get a palindrome (142113222311241).

The spelling of 120002012111220 in words is "one hundred twenty trillion, two billion, twelve million, one hundred eleven thousand, two hundred twenty".