123031222130011 has 12 divisors (see below), whose sum is σ = 133230508009968. Its totient is φ = 113561016120864.

The previous prime is 123031222130009. The next prime is 123031222130083. The reversal of 123031222130011 is 110031222130321.

It is not a de Polignac number, because 123031222130011 - 2¹ = 123031222130009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031222134011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17009295 + ... + 23138248.

It is an arithmetic number, because the mean of its divisors is an integer number (11102542334164).

Almost surely, 2^{123031222130011} is an apocalyptic number.

123031222130011 is a deficient number, since it is larger than the sum of its proper divisors (10199285879957).

123031222130011 is a wasteful number, since it uses less digits than its factorization.

123031222130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40165702 (or 40165689 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123031222130011 its reverse (110031222130321), we get a palindrome (233062444260332).

The spelling of 123031222130011 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred twenty-two million, one hundred thirty thousand, eleven".