12001110002120 has 32 divisors (see below), whose sum is σ = 27098591827320. Its totient is φ = 4783360565760.

The previous prime is 12001110002117. The next prime is 12001110002207. The reversal of 12001110002120 is 2120001110021.

It can be written as a sum of positive squares in 4 ways, for example, as 8572961473444 + 3428148528676 = 2927962^2 + 1851526^2 .

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, 533845967 + ... + 533868446.

Almost surely, 2^{12001110002120} is an apocalyptic number.

12001110002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001110002120 is an abundant number, since it is smaller than the sum of its proper divisors (15097481825200).

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

12001110002120 is a wasteful number, since it uses less digits than its factorization.

12001110002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067714705 (or 1067714701 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001110002120 its reverse (2120001110021), we get a palindrome (14121111112141).

The spelling of 12001110002120 in words is "twelve trillion, one billion, one hundred ten million, two thousand, one hundred twenty".