1244201312 has 12 divisors (see below), whose sum is σ = 2449521396. Its totient is φ = 622100640.

The previous prime is 1244201281. The next prime is 1244201333. The reversal of 1244201312 is 2131024421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440614 + ... + 19440677.

It is an arithmetic number, because the mean of its divisors is an integer number (204126783).

Almost surely, 2^1244201312 is an apocalyptic number.

It is an amenable number.

1244201312 is a deficient number, since it is larger than the sum of its proper divisors (1205320084).

1244201312 is an equidigital number, since it uses as much as digits as its factorization.

1244201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38881301 (or 38881293 counting only the distinct ones).

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

The square root of 1244201312 is about 35273.2379007088. The cubic root of 1244201312 is about 1075.5490433496.

Adding to 1244201312 its reverse (2131024421), we get a palindrome (3375225733).

The spelling of 1244201312 in words is "one billion, two hundred forty-four million, two hundred one thousand, three hundred twelve".