123221211313 has 8 divisors (see below), whose sum is σ = 126002036160. Its totient is φ = 120463464240.

The previous prime is 123221211307. The next prime is 123221211317. The reversal of 123221211313 is 313112122321.

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

It is a cyclic number.

It is not a de Polignac number, because 123221211313 - 2¹³ = 123221203121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123221211317) 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, 5758645 + ... + 5780002.

It is an arithmetic number, because the mean of its divisors is an integer number (15750254520).

Almost surely, 2^123221211313 is an apocalyptic number.

It is an amenable number.

123221211313 is a deficient number, since it is larger than the sum of its proper divisors (2780824847).

123221211313 is a wasteful number, since it uses less digits than its factorization.

123221211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538887.

The product of its digits is 432, while the sum is 22.

Adding to 123221211313 its reverse (313112122321), we get a palindrome (436333333634).

The spelling of 123221211313 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred eleven thousand, three hundred thirteen".