12310040122 has 4 divisors (see below), whose sum is σ = 18465060186. Its totient is φ = 6155020060.

The previous prime is 12310040117. The next prime is 12310040161. The reversal of 12310040122 is 22104001321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22104001321 = 10639 ⋅2077639.

It can be written as a sum of positive squares in only one way, i.e., 9110893401 + 3199146721 = 95451^2 + 56561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12310040096 and 12310040105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077510029 + ... + 3077510032.

Almost surely, 2^12310040122 is an apocalyptic number.

12310040122 is a deficient number, since it is larger than the sum of its proper divisors (6155020064).

12310040122 is an equidigital number, since it uses as much as digits as its factorization.

12310040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155020063.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12310040122 its reverse (22104001321), we get a palindrome (34414041443).

The spelling of 12310040122 in words is "twelve billion, three hundred ten million, forty thousand, one hundred twenty-two".