2100120333012 has 48 divisors (see below), whose sum is σ = 5863583839680. Its totient is φ = 646190871264.

The previous prime is 2100120333011. The next prime is 2100120333019. The reversal of 2100120333012 is 2103330210012.

2100120333012 is a `hidden beast` number, since 210 + 0 + 120 + 3 + 330 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100120333011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747904698 + ... + 747907505.

It is an arithmetic number, because the mean of its divisors is an integer number (122157996660).

Almost surely, 2^{2100120333012} is an apocalyptic number.

It is an amenable number.

2100120333012 is an abundant number, since it is smaller than the sum of its proper divisors (3763463506668).

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

2100120333012 is a wasteful number, since it uses less digits than its factorization.

2100120333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495812229 (or 1495812221 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2100120333012 its reverse (2103330210012), we get a palindrome (4203450543024).

The spelling of 2100120333012 in words is "two trillion, one hundred billion, one hundred twenty million, three hundred thirty-three thousand, twelve".