1298232812 has 12 divisors (see below), whose sum is σ = 2405549160. Its totient is φ = 610933056.

The previous prime is 1298232809. The next prime is 1298232857. The reversal of 1298232812 is 2182328921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545762 + ... + 9545897.

It is an arithmetic number, because the mean of its divisors is an integer number (200462430).

Almost surely, 2^1298232812 is an apocalyptic number.

It is an amenable number.

1298232812 is a deficient number, since it is larger than the sum of its proper divisors (1107316348).

1298232812 is a wasteful number, since it uses less digits than its factorization.

1298232812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19091680 (or 19091678 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 1298232812 is about 36030.9979323360. The cubic root of 1298232812 is about 1090.8981212643.

The spelling of 1298232812 in words is "one billion, two hundred ninety-eight million, two hundred thirty-two thousand, eight hundred twelve".