122212312313 has 24 divisors (see below), whose sum is σ = 151360652736. Its totient is φ = 96619348800.

The previous prime is 122212312309. The next prime is 122212312337. The reversal of 122212312313 is 313213212221.

It is not a de Polignac number, because 122212312313 - 2² = 122212312309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212312363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1487243 + ... + 1567263.

It is an arithmetic number, because the mean of its divisors is an integer number (6306693864).

Almost surely, 2^122212312313 is an apocalyptic number.

122212312313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122212312313 is a deficient number, since it is larger than the sum of its proper divisors (29148340423).

122212312313 is a wasteful number, since it uses less digits than its factorization.

122212312313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81345 (or 81332 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 122212312313 its reverse (313213212221), we get a palindrome (435425524534).

The spelling of 122212312313 in words is "one hundred twenty-two billion, two hundred twelve million, three hundred twelve thousand, three hundred thirteen".