12111002200120 has 32 divisors (see below), whose sum is σ = 27249996092400. Its totient is φ = 4844358010368.

The previous prime is 12111002200117. The next prime is 12111002200139. The reversal of 12111002200120 is 2100220011121.

It is a super-2 number, since 2×12111002200120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12111002200120.

It is a congruent number.

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, 3448192 + ... + 6009328.

Almost surely, 2^{12111002200120} is an apocalyptic number.

12111002200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111002200120 is an abundant number, since it is smaller than the sum of its proper divisors (15138993892280).

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

12111002200120 is a wasteful number, since it uses less digits than its factorization.

12111002200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679367 (or 2679363 counting only the distinct ones).

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

Adding to 12111002200120 its reverse (2100220011121), we get a palindrome (14211222211241).

The spelling of 12111002200120 in words is "twelve trillion, one hundred eleven billion, two million, two hundred thousand, one hundred twenty".