12249277088 has 12 divisors (see below), whose sum is σ = 24115764330. Its totient is φ = 6124638528.

The previous prime is 12249277031. The next prime is 12249277093. The reversal of 12249277088 is 88077294221.

It can be written as a sum of positive squares in only one way, i.e., 7141602064 + 5107675024 = 84508^2 + 71468^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191394923 + ... + 191394986.

Almost surely, 2^12249277088 is an apocalyptic number.

It is an amenable number.

12249277088 is a deficient number, since it is larger than the sum of its proper divisors (11866487242).

12249277088 is an equidigital number, since it uses as much as digits as its factorization.

12249277088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382789919 (or 382789911 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 12249277088 in words is "twelve billion, two hundred forty-nine million, two hundred seventy-seven thousand, eighty-eight".