122312231321331 has 4 divisors (see below), whose sum is σ = 163082975095112. Its totient is φ = 81541487547552.

The previous prime is 122312231321251. The next prime is 122312231321341. The reversal of 122312231321331 is 133123132213221.

It is a happy number.

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

It is not a de Polignac number, because 122312231321331 - 2¹⁵ = 122312231288563 is a prime.

It is a super-2 number, since 2×122312231321331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312231321341) 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, 20385371886886 + ... + 20385371886891.

It is an arithmetic number, because the mean of its divisors is an integer number (40770743773778).

Almost surely, 2^{122312231321331} is an apocalyptic number.

122312231321331 is a deficient number, since it is larger than the sum of its proper divisors (40770743773781).

122312231321331 is an equidigital number, since it uses as much as digits as its factorization.

122312231321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40770743773780.

The product of its digits is 7776, while the sum is 30.

Adding to 122312231321331 its reverse (133123132213221), we get a palindrome (255435363534552).

The spelling of 122312231321331 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty-one".