2100002012112 has 40 divisors (see below), whose sum is σ = 5426166703104. Its totient is φ = 699850799104.

The previous prime is 2100002012099. The next prime is 2100002012189. The reversal of 2100002012112 is 2112102000012.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4456848 + ... + 4905455.

Almost surely, 2^{2100002012112} is an apocalyptic number.

It is an amenable number.

2100002012112 is an abundant number, since it is smaller than the sum of its proper divisors (3326164690992).

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

2100002012112 is a wasteful number, since it uses less digits than its factorization.

2100002012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366987 (or 9366981 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100002012112 its reverse (2112102000012), we get a palindrome (4212104012124).

The spelling of 2100002012112 in words is "two trillion, one hundred billion, two million, twelve thousand, one hundred twelve".