12114515927 has 4 divisors (see below), whose sum is σ = 12115896576. Its totient is φ = 12113135280.

The previous prime is 12114515923. The next prime is 12114515939. The reversal of 12114515927 is 72951541121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12114515927 - 2² = 12114515923 is a prime.

It is a super-3 number, since 3×12114515927³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12114515921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677078 + ... + 694739.

It is an arithmetic number, because the mean of its divisors is an integer number (3028974144).

Almost surely, 2^12114515927 is an apocalyptic number.

12114515927 is a deficient number, since it is larger than the sum of its proper divisors (1380649).

12114515927 is an equidigital number, since it uses as much as digits as its factorization.

12114515927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380648.

The product of its digits is 25200, while the sum is 38.

The spelling of 12114515927 in words is "twelve billion, one hundred fourteen million, five hundred fifteen thousand, nine hundred twenty-seven".