1312241203 has 48 divisors (see below), whose sum is σ = 1758947904. Its totient is φ = 952565760.

The previous prime is 1312241201. The next prime is 1312241207. The reversal of 1312241203 is 3021422131.

It is a happy number.

It is not a de Polignac number, because 1312241203 - 2¹ = 1312241201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312241201) 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 47 ways as a sum of consecutive naturals, for example, 1077651 + ... + 1078867.

It is an arithmetic number, because the mean of its divisors is an integer number (36644748).

Almost surely, 2^1312241203 is an apocalyptic number.

1312241203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312241203 is a deficient number, since it is larger than the sum of its proper divisors (446706701).

1312241203 is a wasteful number, since it uses less digits than its factorization.

1312241203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312241203 is about 36224.8699514574. The cubic root of 1312241203 is about 1094.8078179296.

Adding to 1312241203 its reverse (3021422131), we get a palindrome (4333663334).

The spelling of 1312241203 in words is "one billion, three hundred twelve million, two hundred forty-one thousand, two hundred three".