123222001313 has 12 divisors (see below), whose sum is σ = 125951672700. Its totient is φ = 120549688896.

The previous prime is 123222001307. The next prime is 123222001387. The reversal of 123222001313 is 313100222321.

It can be written as a sum of positive squares in 6 ways, for example, as 22039480849 + 101182520464 = 148457^2 + 318092^2 .

It is not a de Polignac number, because 123222001313 - 2⁴ = 123222001297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123222001213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917495 + ... + 1043187.

It is an arithmetic number, because the mean of its divisors is an integer number (10495972725).

Almost surely, 2^123222001313 is an apocalyptic number.

It is an amenable number.

123222001313 is a deficient number, since it is larger than the sum of its proper divisors (2729671387).

123222001313 is an equidigital number, since it uses as much as digits as its factorization.

123222001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126148 (or 126095 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123222001313 its reverse (313100222321), we get a palindrome (436322223634).

The spelling of 123222001313 in words is "one hundred twenty-three billion, two hundred twenty-two million, one thousand, three hundred thirteen".