12636189219 has 8 divisors (see below), whose sum is σ = 16935549712. Its totient is φ = 8380477440.

The previous prime is 12636189193. The next prime is 12636189239. The reversal of 12636189219 is 91298163621.

12636189219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12636189219 - 2¹² = 12636185123 is a prime.

It is a super-2 number, since 2×12636189219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12636189239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10911502 + ... + 10912659.

It is an arithmetic number, because the mean of its divisors is an integer number (2116943714).

Almost surely, 2^12636189219 is an apocalyptic number.

12636189219 is a deficient number, since it is larger than the sum of its proper divisors (4299360493).

12636189219 is a wasteful number, since it uses less digits than its factorization.

12636189219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824357.

The product of its digits is 279936, while the sum is 48.

The spelling of 12636189219 in words is "twelve billion, six hundred thirty-six million, one hundred eighty-nine thousand, two hundred nineteen".