2100200012012 has 12 divisors (see below), whose sum is σ = 3730205991960. Its totient is φ = 1034426871456.

The previous prime is 2100200011999. The next prime is 2100200012051. The reversal of 2100200012012 is 2102100020012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100200011984 and 2100200012002.

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, 3918283337 + ... + 3918283872.

It is an arithmetic number, because the mean of its divisors is an integer number (310850499330).

Almost surely, 2^{2100200012012} is an apocalyptic number.

It is an amenable number.

2100200012012 is a deficient number, since it is larger than the sum of its proper divisors (1630005979948).

2100200012012 is a wasteful number, since it uses less digits than its factorization.

2100200012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836567280 (or 7836567278 counting only the distinct ones).

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

Adding to 2100200012012 its reverse (2102100020012), we get a palindrome (4202300032024).

The spelling of 2100200012012 in words is "two trillion, one hundred billion, two hundred million, twelve thousand, twelve".