12201001122 has 16 divisors (see below), whose sum is σ = 24416039232. Its totient is φ = 4064660880.

The previous prime is 12201001097. The next prime is 12201001123. The reversal of 12201001122 is 22110010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201001098 and 12201001107.

It is not an unprimeable number, because it can be changed into a prime (12201001123) 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, 573558 + ... + 594449.

It is an arithmetic number, because the mean of its divisors is an integer number (1526002452).

Almost surely, 2^12201001122 is an apocalyptic number.

12201001122 is an abundant number, since it is smaller than the sum of its proper divisors (12215038110).

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

12201001122 is a wasteful number, since it uses less digits than its factorization.

12201001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169753.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201001122 its reverse (22110010221), we get a palindrome (34311011343).

Subtracting 12201001122 from its reverse (22110010221), we obtain a palindrome (9909009099).

The spelling of 12201001122 in words is "twelve billion, two hundred one million, one thousand, one hundred twenty-two".