12320200122 has 16 divisors (see below), whose sum is σ = 24645444480. Its totient is φ = 4105892672.

The previous prime is 12320200111. The next prime is 12320200127. The reversal of 12320200122 is 22100202321.

It is a happy number.

It is a super-2 number, since 2×12320200122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178047 + ... + 237362.

It is an arithmetic number, because the mean of its divisors is an integer number (1540340280).

Almost surely, 2^12320200122 is an apocalyptic number.

12320200122 is an abundant number, since it is smaller than the sum of its proper divisors (12325244358).

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

12320200122 is a wasteful number, since it uses less digits than its factorization.

12320200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420357.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12320200122 its reverse (22100202321), we get a palindrome (34420402443).

The spelling of 12320200122 in words is "twelve billion, three hundred twenty million, two hundred thousand, one hundred twenty-two".