1144322012 has 24 divisors (see below), whose sum is σ = 2036684832. Its totient is φ = 562464000.

The previous prime is 1144321999. The next prime is 1144322017. The reversal of 1144322012 is 2102234411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144322017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 84512 + ... + 97112.

It is an arithmetic number, because the mean of its divisors is an integer number (84861868).

Almost surely, 2^1144322012 is an apocalyptic number.

It is an amenable number.

1144322012 is a deficient number, since it is larger than the sum of its proper divisors (892362820).

1144322012 is a wasteful number, since it uses less digits than its factorization.

1144322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12987 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144322012 is about 33827.8289578270. The cubic root of 1144322012 is about 1045.9624267658.

Adding to 1144322012 its reverse (2102234411), we get a palindrome (3246556423).

The spelling of 1144322012 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, twelve".