12100200122 has 16 divisors (see below), whose sum is σ = 19116237600. Its totient is φ = 5728476240.

The previous prime is 12100200029. The next prime is 12100200193. The reversal of 12100200122 is 22100200121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19097 + ... + 156732.

It is an arithmetic number, because the mean of its divisors is an integer number (1194764850).

Almost surely, 2^12100200122 is an apocalyptic number.

12100200122 is a deficient number, since it is larger than the sum of its proper divisors (7016037478).

12100200122 is a wasteful number, since it uses less digits than its factorization.

12100200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177661.

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

Adding to 12100200122 its reverse (22100200121), we get a palindrome (34200400243).

Subtracting 12100200122 from its reverse (22100200121), we obtain a palindrome (9999999999).

The spelling of 12100200122 in words is "twelve billion, one hundred million, two hundred thousand, one hundred twenty-two".