2012002120100 has 36 divisors (see below), whose sum is σ = 4989765259584. Its totient is φ = 689829298080.

The previous prime is 2012002120099. The next prime is 2012002120187. The reversal of 2012002120100 is 10212002102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1437143672 + ... + 1437145071.

It is an arithmetic number, because the mean of its divisors is an integer number (138604590544).

Almost surely, 2^{2012002120100} is an apocalyptic number.

2012002120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012002120100 is an abundant number, since it is smaller than the sum of its proper divisors (2977763139484).

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

2012002120100 is a wasteful number, since it uses less digits than its factorization.

2012002120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874288764 (or 2874288757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012002120100 its reverse (10212002102), we get a palindrome (2022214122202).

The spelling of 2012002120100 in words is "two trillion, twelve billion, two million, one hundred twenty thousand, one hundred".