2012201121120 has 96 divisors (see below), whose sum is σ = 6338778858720. Its totient is φ = 536557731840.

The previous prime is 2012201121113. The next prime is 2012201121137. The reversal of 2012201121120 is 211211022102.

It is a tau number, because it is divible by the number of its divisors (96).

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 2012201121120.

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, 9557790 + ... + 9766050.

It is an arithmetic number, because the mean of its divisors is an integer number (66028946445).

Almost surely, 2^{2012201121120} is an apocalyptic number.

2012201121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012201121120 is an abundant number, since it is smaller than the sum of its proper divisors (4326577737600).

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

2012201121120 is a wasteful number, since it uses less digits than its factorization.

2012201121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228408 (or 228400 counting only the distinct ones).

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

Adding to 2012201121120 its reverse (211211022102), we get a palindrome (2223412143222).

The spelling of 2012201121120 in words is "two trillion, twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty".