12010001002100 has 72 divisors (see below), whose sum is σ = 27842824299360. Its totient is φ = 4483230491520.

The previous prime is 12010001002063. The next prime is 12010001002127. The reversal of 12010001002100 is 120010001021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47044739 + ... + 47299338.

Almost surely, 2^{12010001002100} is an apocalyptic number.

12010001002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010001002100 is an abundant number, since it is smaller than the sum of its proper divisors (15832823297260).

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

12010001002100 is a wasteful number, since it uses less digits than its factorization.

12010001002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94344177 (or 94344170 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010001002100 its reverse (120010001021), we get a palindrome (12130011003121).

The spelling of 12010001002100 in words is "twelve trillion, ten billion, one million, two thousand, one hundred".