123212213313 has 16 divisors (see below), whose sum is σ = 187766702976. Its totient is φ = 70401444480.

The previous prime is 123212213249. The next prime is 123212213317. The reversal of 123212213313 is 313312212321.

It is not a de Polignac number, because 123212213313 - 2⁶ = 123212213249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123212213317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50893 + ... + 499013.

It is an arithmetic number, because the mean of its divisors is an integer number (11735418936).

Almost surely, 2^123212213313 is an apocalyptic number.

It is an amenable number.

123212213313 is a deficient number, since it is larger than the sum of its proper divisors (64554489663).

123212213313 is a wasteful number, since it uses less digits than its factorization.

123212213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461224.

The product of its digits is 1296, while the sum is 24.

Adding to 123212213313 its reverse (313312212321), we get a palindrome (436524425634).

The spelling of 123212213313 in words is "one hundred twenty-three billion, two hundred twelve million, two hundred thirteen thousand, three hundred thirteen".