12222310121 has 8 divisors (see below), whose sum is σ = 13971566400. Its totient is φ = 10473856848.

The previous prime is 12222310099. The next prime is 12222310127. The reversal of 12222310121 is 12101322221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12222310121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222310121.

It is not an unprimeable number, because it can be changed into a prime (12222310127) 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, 167771 + ... + 229328.

It is an arithmetic number, because the mean of its divisors is an integer number (1746445800).

Almost surely, 2^12222310121 is an apocalyptic number.

It is an amenable number.

12222310121 is a deficient number, since it is larger than the sum of its proper divisors (1749256279).

12222310121 is an equidigital number, since it uses as much as digits as its factorization.

12222310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401503.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12222310121 its reverse (12101322221), we get a palindrome (24323632342).

The spelling of 12222310121 in words is "twelve billion, two hundred twenty-two million, three hundred ten thousand, one hundred twenty-one".