2012122122200 has 48 divisors (see below), whose sum is σ = 4744073882160. Its totient is φ = 793512944000.

The previous prime is 2012122122187. The next prime is 2012122122203. The reversal of 2012122122200 is 22212212102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122122203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70835171 + ... + 70863570.

It is an arithmetic number, because the mean of its divisors is an integer number (98834872545).

Almost surely, 2^{2012122122200} is an apocalyptic number.

2012122122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012122122200 is an abundant number, since it is smaller than the sum of its proper divisors (2731951759960).

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

2012122122200 is a wasteful number, since it uses less digits than its factorization.

2012122122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141698828 (or 141698819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012122122200 its reverse (22212212102), we get a palindrome (2034334334302).

The spelling of 2012122122200 in words is "two trillion, twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".