12145237288 has 64 divisors (see below), whose sum is σ = 24222136320. Its totient is φ = 5700172800.

The previous prime is 12145237277. The next prime is 12145237301. The reversal of 12145237288 is 88273254121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312518 + ... + 1321738.

It is an arithmetic number, because the mean of its divisors is an integer number (378470880).

Almost surely, 2^12145237288 is an apocalyptic number.

It is an amenable number.

12145237288 is a deficient number, since it is larger than the sum of its proper divisors (12076899032).

12145237288 is a wasteful number, since it uses less digits than its factorization.

12145237288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418 (or 9414 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 12145237288 in words is "twelve billion, one hundred forty-five million, two hundred thirty-seven thousand, two hundred eighty-eight".