12023122 has 4 divisors (see below), whose sum is σ = 18034686. Its totient is φ = 6011560.

The previous prime is 12023119. The next prime is 12023153. The reversal of 12023122 is 22132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22132021 = 59 ⋅375119.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 4076361 = 2819^2 + 2019^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005779 + ... + 3005782.

Almost surely, 2^12023122 is an apocalyptic number.

12023122 is a deficient number, since it is larger than the sum of its proper divisors (6011564).

12023122 is an equidigital number, since it uses as much as digits as its factorization.

12023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011563.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12023122 is about 3467.4373822753. The cubic root of 12023122 is about 229.0897990719.

Adding to 12023122 its reverse (22132021), we get a palindrome (34155143).

The spelling of 12023122 in words is "twelve million, twenty-three thousand, one hundred twenty-two".