122312112112231 has 4 divisors (see below), whose sum is σ = 122312270825512. Its totient is φ = 122311953398952.

The previous prime is 122312112112217. The next prime is 122312112112259. The reversal of 122312112112231 is 132211211213221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122312112112231 - 2¹⁵ = 122312112079463 is a prime.

It is a super-2 number, since 2×122312112112231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122312112112196 and 122312112112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122315112112231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78195000 + ... + 79743853.

It is an arithmetic number, because the mean of its divisors is an integer number (30578067706378).

Almost surely, 2^{122312112112231} is an apocalyptic number.

122312112112231 is a deficient number, since it is larger than the sum of its proper divisors (158713281).

122312112112231 is an equidigital number, since it uses as much as digits as its factorization.

122312112112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158713280.

The product of its digits is 576, while the sum is 25.

Adding to 122312112112231 its reverse (132211211213221), we get a palindrome (254523323325452).

The spelling of 122312112112231 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred thirty-one".