12003022120 has 16 divisors (see below), whose sum is σ = 27006799860. Its totient is φ = 4801208832.

The previous prime is 12003022099. The next prime is 12003022169. The reversal of 12003022120 is 2122030021.

It can be written as a sum of positive squares in 2 ways, for example, as 11985432484 + 17589636 = 109478^2 + 4194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12003022120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150037737 + ... + 150037816.

Almost surely, 2^12003022120 is an apocalyptic number.

12003022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003022120 is an abundant number, since it is smaller than the sum of its proper divisors (15003777740).

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

12003022120 is a wasteful number, since it uses less digits than its factorization.

12003022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300075564 (or 300075560 counting only the distinct ones).

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

Adding to 12003022120 its reverse (2122030021), we get a palindrome (14125052141).

The spelling of 12003022120 in words is "twelve billion, three million, twenty-two thousand, one hundred twenty".