122312110144531 has 4 divisors (see below), whose sum is σ = 123275197626112. Its totient is φ = 121349022662952.

The previous prime is 122312110144519. The next prime is 122312110144561. The reversal of 122312110144531 is 135441011213221.

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 122312110144531 - 2⁹ = 122312110144019 is a prime.

It is a super-2 number, since 2×122312110144531² (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 = 122312110144493 and 122312110144502.

It is not an unprimeable number, because it can be changed into a prime (122312110144561) 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 3 ways as a sum of consecutive naturals, for example, 481543740600 + ... + 481543740853.

It is an arithmetic number, because the mean of its divisors is an integer number (30818799406528).

Almost surely, 2^{122312110144531} is an apocalyptic number.

122312110144531 is a deficient number, since it is larger than the sum of its proper divisors (963087481581).

122312110144531 is an equidigital number, since it uses as much as digits as its factorization.

122312110144531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963087481580.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 122312110144531 its reverse (135441011213221), we get a palindrome (257753121357752).

The spelling of 122312110144531 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred ten million, one hundred forty-four thousand, five hundred thirty-one".