2012200122100 has 72 divisors (see below), whose sum is σ = 5010963180608. Its totient is φ = 687034483200.

The previous prime is 2012200122091. The next prime is 2012200122133. The reversal of 2012200122100 is 12210022102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5795142 + ... + 6132541.

Almost surely, 2^{2012200122100} is an apocalyptic number.

2012200122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012200122100 is an abundant number, since it is smaller than the sum of its proper divisors (2998763058508).

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

2012200122100 is a wasteful number, since it uses less digits than its factorization.

2012200122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927945 (or 11927938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012200122100 its reverse (12210022102), we get a palindrome (2024410144202).

The spelling of 2012200122100 in words is "two trillion, twelve billion, two hundred million, one hundred twenty-two thousand, one hundred".