2100000020012 has 12 divisors (see below), whose sum is σ = 3675242539416. Its totient is φ = 1049930723040.

The previous prime is 2100000020009. The next prime is 2100000020029. The reversal of 2100000020012 is 2100200000012.

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, 17253518 + ... + 17374805.

It is an arithmetic number, because the mean of its divisors is an integer number (306270211618).

Almost surely, 2^{2100000020012} is an apocalyptic number.

It is an amenable number.

2100000020012 is a deficient number, since it is larger than the sum of its proper divisors (1575242519404).

2100000020012 is a wasteful number, since it uses less digits than its factorization.

2100000020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34643488 (or 34643486 counting only the distinct ones).

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

Adding to 2100000020012 its reverse (2100200000012), we get a palindrome (4200200020024).

The spelling of 2100000020012 in words is "two trillion, one hundred billion, twenty thousand, twelve".