1244312012 has 12 divisors (see below), whose sum is σ = 2189577936. Its totient is φ = 618718320.

The previous prime is 1244311973. The next prime is 1244312039. The reversal of 1244312012 is 2102134421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858608 + ... + 860055.

It is an arithmetic number, because the mean of its divisors is an integer number (182464828).

Almost surely, 2^1244312012 is an apocalyptic number.

It is an amenable number.

1244312012 is a deficient number, since it is larger than the sum of its proper divisors (945265924).

1244312012 is a wasteful number, since it uses less digits than its factorization.

1244312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718848 (or 1718846 counting only the distinct ones).

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

The square root of 1244312012 is about 35274.8070441214. The cubic root of 1244312012 is about 1075.5809405855.

Adding to 1244312012 its reverse (2102134421), we get a palindrome (3346446433).

The spelling of 1244312012 in words is "one billion, two hundred forty-four million, three hundred twelve thousand, twelve".