12236306386 has 4 divisors (see below), whose sum is σ = 18354459582. Its totient is φ = 6118153192.

The previous prime is 12236306347. The next prime is 12236306431. The reversal of 12236306386 is 68360363221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68360363221 = 208231 ⋅328291.

It can be written as a sum of positive squares in only one way, i.e., 7504930161 + 4731376225 = 86631^2 + 68785^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059076595 + ... + 3059076598.

Almost surely, 2^12236306386 is an apocalyptic number.

12236306386 is a deficient number, since it is larger than the sum of its proper divisors (6118153196).

12236306386 is an equidigital number, since it uses as much as digits as its factorization.

12236306386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118153195.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 12236306386 in words is "twelve billion, two hundred thirty-six million, three hundred six thousand, three hundred eighty-six".