12115214587 has 8 divisors (see below), whose sum is σ = 14574694400. Its totient is φ = 9837918504.

The previous prime is 12115214569. The next prime is 12115214593. The reversal of 12115214587 is 78541251121.

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

It is a cyclic number.

It is not a de Polignac number, because 12115214587 - 2¹⁹ = 12114690299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12115214387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45545787 + ... + 45546052.

It is an arithmetic number, because the mean of its divisors is an integer number (1821836800).

Almost surely, 2^12115214587 is an apocalyptic number.

12115214587 is a deficient number, since it is larger than the sum of its proper divisors (2459479813).

12115214587 is an equidigital number, since it uses as much as digits as its factorization.

12115214587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91091865.

The product of its digits is 22400, while the sum is 37.

The spelling of 12115214587 in words is "twelve billion, one hundred fifteen million, two hundred fourteen thousand, five hundred eighty-seven".