2012200022100 has 72 divisors (see below), whose sum is σ = 5851221678400. Its totient is φ = 533890241280.

The previous prime is 2012200022057. The next prime is 2012200022191. The reversal of 2012200022100 is 12200022102.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 16792897 + ... + 16912296.

Almost surely, 2^{2012200022100} is an apocalyptic number.

2012200022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012200022100 is an abundant number, since it is smaller than the sum of its proper divisors (3839021656300).

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

2012200022100 is a wasteful number, since it uses less digits than its factorization.

2012200022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33705409 (or 33705402 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2012200022100 its reverse (12200022102), we get a palindrome (2024400044202).

It can be divided in two parts, 201220002 and 2100, that added together give a palindrome (201222102).

The spelling of 2012200022100 in words is "two trillion, twelve billion, two hundred million, twenty-two thousand, one hundred".