12201200122 has 16 divisors (see below), whose sum is σ = 18402160392. Its totient is φ = 6067172160.

The previous prime is 12201200111. The next prime is 12201200147. The reversal of 12201200122 is 22100210221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10813712121 + 1387488001 = 103989^2 + 37249^2 .

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, 1324372 + ... + 1333552.

Almost surely, 2^12201200122 is an apocalyptic number.

12201200122 is a deficient number, since it is larger than the sum of its proper divisors (6200960270).

12201200122 is a wasteful number, since it uses less digits than its factorization.

12201200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753.

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

Adding to 12201200122 its reverse (22100210221), we get a palindrome (34301410343).

The spelling of 12201200122 in words is "twelve billion, two hundred one million, two hundred thousand, one hundred twenty-two".