2100200020012 has 48 divisors (see below), whose sum is σ = 3832115180544. Its totient is φ = 1006329744000.

The previous prime is 2100200020003. The next prime is 2100200020043.

2100200020012 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2822743 + ... + 3488305.

It is an arithmetic number, because the mean of its divisors is an integer number (79835732928).

Almost surely, 2^{2100200020012} is an apocalyptic number.

It is an amenable number.

2100200020012 is a deficient number, since it is larger than the sum of its proper divisors (1731915160532).

2100200020012 is a wasteful number, since it uses less digits than its factorization.

2100200020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665950 (or 665948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

It can be divided in two parts, 21002000 and 20012, that added together give a palindrome (21022012).

The spelling of 2100200020012 in words is "two trillion, one hundred billion, two hundred million, twenty thousand, twelve".