1244322012 has 24 divisors (see below), whose sum is σ = 2909393536. Its totient is φ = 413920368.

The previous prime is 1244321999. The next prime is 1244322017. The reversal of 1244322012 is 2102234421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244322017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100618 + ... + 112305.

Almost surely, 2^1244322012 is an apocalyptic number.

1244322012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244322012 is an abundant number, since it is smaller than the sum of its proper divisors (1665071524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244322012 is a wasteful number, since it uses less digits than its factorization.

1244322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213417 (or 213415 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1244322012 is about 35274.9487880564. The cubic root of 1244322012 is about 1075.5838219048.

Adding to 1244322012 its reverse (2102234421), we get a palindrome (3346556433).

The spelling of 1244322012 in words is "one billion, two hundred forty-four million, three hundred twenty-two thousand, twelve".