122123312331 has 8 divisors (see below), whose sum is σ = 167231923344. Its totient is φ = 79215121440.

The previous prime is 122123312321. The next prime is 122123312357. The reversal of 122123312331 is 133213321221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122123312331 - 2¹⁵ = 122123279563 is a prime.

It is a super-2 number, since 2×122123312331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122123312321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550104900 + ... + 550105121.

It is an arithmetic number, because the mean of its divisors is an integer number (20903990418).

Almost surely, 2^122123312331 is an apocalyptic number.

122123312331 is a deficient number, since it is larger than the sum of its proper divisors (45108611013).

122123312331 is a wasteful number, since it uses less digits than its factorization.

122123312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100210061.

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

Adding to 122123312331 its reverse (133213321221), we get a palindrome (255336633552).

The spelling of 122123312331 in words is "one hundred twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".