12115022 has 4 divisors (see below), whose sum is σ = 18172536. Its totient is φ = 6057510.

The previous prime is 12115013. The next prime is 12115031. The reversal of 12115022 is 22051121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22051121 = 157 ⋅140453.

It is an interprime number because it is at equal distance from previous prime (12115013) and next prime (12115031).

It is a junction number, because it is equal to n+sod(n) for n = 12114988 and 12115006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3028754 + ... + 3028757.

It is an arithmetic number, because the mean of its divisors is an integer number (4543134).

Almost surely, 2^12115022 is an apocalyptic number.

12115022 is a deficient number, since it is larger than the sum of its proper divisors (6057514).

12115022 is an equidigital number, since it uses as much as digits as its factorization.

12115022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057513.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12115022 is about 3480.6640171094. The cubic root of 12115022 is about 229.6720088616.

Adding to 12115022 its reverse (22051121), we get a palindrome (34166143).

The spelling of 12115022 in words is "twelve million, one hundred fifteen thousand, twenty-two".