12120200122 has 4 divisors (see below), whose sum is σ = 18180300186. Its totient is φ = 6060100060.

The previous prime is 12120200119. The next prime is 12120200161. The reversal of 12120200122 is 22100202121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6138879201 + 5981320921 = 78351^2 + 77339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030050029 + ... + 3030050032.

Almost surely, 2^12120200122 is an apocalyptic number.

12120200122 is a deficient number, since it is larger than the sum of its proper divisors (6060100064).

12120200122 is an equidigital number, since it uses as much as digits as its factorization.

12120200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060100063.

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

Adding to 12120200122 its reverse (22100202121), we get a palindrome (34220402243).

The spelling of 12120200122 in words is "twelve billion, one hundred twenty million, two hundred thousand, one hundred twenty-two".