12032002120 has 64 divisors (see below), whose sum is σ = 27233276400. Its totient is φ = 4784209920.

The previous prime is 12032002117. The next prime is 12032002159. The reversal of 12032002120 is 2120023021.

It can be written as a sum of positive squares in 8 ways, for example, as 7163591044 + 4868411076 = 84638^2 + 69774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12032002120.

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, 9726142 + ... + 9727378.

Almost surely, 2^12032002120 is an apocalyptic number.

12032002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032002120 is an abundant number, since it is smaller than the sum of its proper divisors (15201274280).

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

12032002120 is a wasteful number, since it uses less digits than its factorization.

12032002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12032002120 its reverse (2120023021), we get a palindrome (14152025141).

The spelling of 12032002120 in words is "twelve billion, thirty-two million, two thousand, one hundred twenty".