2100200011212 has 12 divisors (see below), whose sum is σ = 4900466692856. Its totient is φ = 700066670400.

The previous prime is 2100200011177. The next prime is 2100200011237. The reversal of 2100200011212 is 2121100020012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-5 number, since 5×2100200011212⁵ (a number of 63 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 175016667601 = 2100200011212 / (2 + 1 + 0 + 0 + 2 + 0 + 0 + 0 + 1 + 1 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87508333789 + ... + 87508333812.

Almost surely, 2^{2100200011212} is an apocalyptic number.

It is an amenable number.

2100200011212 is an abundant number, since it is smaller than the sum of its proper divisors (2800266681644).

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

2100200011212 is a wasteful number, since it uses less digits than its factorization.

2100200011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175016667608 (or 175016667606 counting only the distinct ones).

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

Adding to 2100200011212 its reverse (2121100020012), we get a palindrome (4221300031224).

The spelling of 2100200011212 in words is "two trillion, one hundred billion, two hundred million, eleven thousand, two hundred twelve".