122113011312 has 30 divisors (see below), whose sum is σ = 341746830672. Its totient is φ = 40704337056.

The previous prime is 122113011263. The next prime is 122113011331. The reversal of 122113011312 is 213110311221.

122113011312 is a `hidden beast` number, since 1 + 221 + 130 + 1 + 1 + 312 = 666.

It is a super-2 number, since 2×122113011312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424003368 + ... + 424003655.

Almost surely, 2^122113011312 is an apocalyptic number.

122113011312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122113011312 is an abundant number, since it is smaller than the sum of its proper divisors (219633819360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122113011312 is a wasteful number, since it uses less digits than its factorization.

122113011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848007037 (or 848007028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122113011312 its reverse (213110311221), we get a palindrome (335223322533).

The spelling of 122113011312 in words is "one hundred twenty-two billion, one hundred thirteen million, eleven thousand, three hundred twelve".