12156119 has 2 divisors, whose sum is σ = 12156120. Its totient is φ = 12156118.

The previous prime is 12156113. The next prime is 12156149. The reversal of 12156119 is 91165121.

It is a weak prime.

It is an emirp because it is prime and its reverse (91165121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12156119 - 2⁸ = 12155863 is a prime.

It is a super-2 number, since 2×12156119² = 295542458284322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12156113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078059 + 6078060.

It is an arithmetic number, because the mean of its divisors is an integer number (6078060).

Almost surely, 2^12156119 is an apocalyptic number.

12156119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12156119 is an equidigital number, since it uses as much as digits as its factorization.

12156119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 26.

The square root of 12156119 is about 3486.5626338846. The cubic root of 12156119 is about 229.9314162240.

The spelling of 12156119 in words is "twelve million, one hundred fifty-six thousand, one hundred nineteen".