12312122 has 8 divisors (see below), whose sum is σ = 18486900. Its totient is φ = 6149824.

The previous prime is 12312119. The next prime is 12312143. The reversal of 12312122 is 22121321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11082241 + 1229881 = 3329^2 + 1109^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12312097 and 12312106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 4962.

Almost surely, 2^12312122 is an apocalyptic number.

12312122 is a deficient number, since it is larger than the sum of its proper divisors (6174778).

12312122 is a wasteful number, since it uses less digits than its factorization.

12312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6240.

The product of its digits is 48, while the sum is 14.

The square root of 12312122 is about 3508.8633487213. The cubic root of 12312122 is about 230.9108305725.

Adding to 12312122 its reverse (22121321), we get a palindrome (34433443).

The spelling of 12312122 in words is "twelve million, three hundred twelve thousand, one hundred twenty-two".