12158311364 has 12 divisors (see below), whose sum is σ = 22010736300. Its totient is φ = 5869529568.

The previous prime is 12158311349. The next prime is 12158311367. The reversal of 12158311364 is 46311385121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4020828100 + 8137483264 = 63410^2 + 90208^2 .

It is not an unprimeable number, because it can be changed into a prime (12158311367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52406399 + ... + 52406630.

It is an arithmetic number, because the mean of its divisors is an integer number (1834228025).

Almost surely, 2^12158311364 is an apocalyptic number.

It is an amenable number.

12158311364 is a deficient number, since it is larger than the sum of its proper divisors (9852424936).

12158311364 is a wasteful number, since it uses less digits than its factorization.

12158311364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104813062 (or 104813060 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

Adding to 12158311364 its reverse (46311385121), we get a palindrome (58469696485).

The spelling of 12158311364 in words is "twelve billion, one hundred fifty-eight million, three hundred eleven thousand, three hundred sixty-four".