1244011012 has 12 divisors (see below), whose sum is σ = 2230117596. Its totient is φ = 606834560.

The previous prime is 1244011007. The next prime is 1244011033. The reversal of 1244011012 is 2101104421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 273439296 + 970571716 = 16536^2 + 31154^2 .

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, 3792553 + ... + 3792880.

It is an arithmetic number, because the mean of its divisors is an integer number (185843133).

Almost surely, 2^1244011012 is an apocalyptic number.

It is an amenable number.

1244011012 is a deficient number, since it is larger than the sum of its proper divisors (986106584).

1244011012 is a wasteful number, since it uses less digits than its factorization.

1244011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585478 (or 7585476 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1244011012 is about 35270.5402850594. The cubic root of 1244011012 is about 1075.4942056485.

Adding to 1244011012 its reverse (2101104421), we get a palindrome (3345115433).

The spelling of 1244011012 in words is "one billion, two hundred forty-four million, eleven thousand, twelve".