12145274308 has 12 divisors (see below), whose sum is σ = 21260933932. Its totient is φ = 6070721760.

The previous prime is 12145274291. The next prime is 12145274311. The reversal of 12145274308 is 80347254121.

It can be written as a sum of positive squares in 2 ways, for example, as 3687161284 + 8458113024 = 60722^2 + 91968^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464535 + ... + 489982.

Almost surely, 2^12145274308 is an apocalyptic number.

It is an amenable number.

12145274308 is a deficient number, since it is larger than the sum of its proper divisors (9115659624).

12145274308 is a wasteful number, since it uses less digits than its factorization.

12145274308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957702 (or 957700 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 12145274308 in words is "twelve billion, one hundred forty-five million, two hundred seventy-four thousand, three hundred eight".