12158310308 has 24 divisors (see below), whose sum is σ = 22837254552. Its totient is φ = 5643177984.

The previous prime is 12158310287. The next prime is 12158310317. The reversal of 12158310308 is 80301385121.

It can be written as a sum of positive squares in 4 ways, for example, as 467943424 + 11690366884 = 21632^2 + 108122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219685 + ... + 1229612.

It is an arithmetic number, because the mean of its divisors is an integer number (951552273).

Almost surely, 2^12158310308 is an apocalyptic number.

It is an amenable number.

12158310308 is a deficient number, since it is larger than the sum of its proper divisors (10678944244).

12158310308 is a wasteful number, since it uses less digits than its factorization.

12158310308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449391 (or 2449389 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 12158310308 its reverse (80301385121), we get a palindrome (92459695429).

The spelling of 12158310308 in words is "twelve billion, one hundred fifty-eight million, three hundred ten thousand, three hundred eight".