12001562102120 has 32 divisors (see below), whose sum is σ = 27018609085800. Its totient is φ = 4797941399808.

The previous prime is 12001562102099. The next prime is 12001562102143. The reversal of 12001562102120 is 2120126510021.

It can be written as a sum of positive squares in 4 ways, for example, as 9228824258404 + 2772737843716 = 3037898^2 + 1665154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83785079 + ... + 83928198.

Almost surely, 2^{12001562102120} is an apocalyptic number.

12001562102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001562102120 is an abundant number, since it is smaller than the sum of its proper divisors (15017046983680).

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

12001562102120 is a wasteful number, since it uses less digits than its factorization.

12001562102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167715077 (or 167715073 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 12001562102120 its reverse (2120126510021), we get a palindrome (14121688612141).

The spelling of 12001562102120 in words is "twelve trillion, one billion, five hundred sixty-two million, one hundred two thousand, one hundred twenty".