12322100121 has 16 divisors (see below), whose sum is σ = 17232524544. Its totient is φ = 7822652544.

The previous prime is 12322100113. The next prime is 12322100149. The reversal of 12322100121 is 12100122321.

It is not a de Polignac number, because 12322100121 - 2³ = 12322100113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12322100121.

It is not an unprimeable number, because it can be changed into a prime (12322100111) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1175740 + ... + 1186173.

It is an arithmetic number, because the mean of its divisors is an integer number (1077032784).

Almost surely, 2^12322100121 is an apocalyptic number.

It is an amenable number.

12322100121 is a deficient number, since it is larger than the sum of its proper divisors (4910424423).

12322100121 is a wasteful number, since it uses less digits than its factorization.

12322100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362000.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12322100121 its reverse (12100122321), we get a palindrome (24422222442).

The spelling of 12322100121 in words is "twelve billion, three hundred twenty-two million, one hundred thousand, one hundred twenty-one".