2012201110120 has 32 divisors (see below), whose sum is σ = 4531185049320. Its totient is φ = 804216879360.

The previous prime is 2012201110103. The next prime is 2012201110121. The reversal of 2012201110120 is 210111022102.

It can be written as a sum of positive squares in 4 ways, for example, as 584133089796 + 1428068020324 = 764286^2 + 1195018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2012201110120.

It is not an unprimeable number, because it can be changed into a prime (2012201110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20687271 + ... + 20784310.

Almost surely, 2^{2012201110120} is an apocalyptic number.

2012201110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012201110120 is an abundant number, since it is smaller than the sum of its proper divisors (2518983939200).

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

2012201110120 is a wasteful number, since it uses less digits than its factorization.

2012201110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41472805 (or 41472801 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012201110120 its reverse (210111022102), we get a palindrome (2222312132222).

The spelling of 2012201110120 in words is "two trillion, twelve billion, two hundred one million, one hundred ten thousand, one hundred twenty".