1312201133 has 8 divisors (see below), whose sum is σ = 1327503360. Its totient is φ = 1296987120.

The previous prime is 1312201127. The next prime is 1312201157. The reversal of 1312201133 is 3311022131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312201133 - 2⁶ = 1312201069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312201183) 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 7 ways as a sum of consecutive naturals, for example, 8108 + ... + 51866.

It is an arithmetic number, because the mean of its divisors is an integer number (165937920).

Almost surely, 2^1312201133 is an apocalyptic number.

It is an amenable number.

1312201133 is a deficient number, since it is larger than the sum of its proper divisors (15302227).

1312201133 is a wasteful number, since it uses less digits than its factorization.

1312201133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44107.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1312201133 is about 36224.3168741662. The cubic root of 1312201133 is about 1094.7966742985.

Adding to 1312201133 its reverse (3311022131), we get a palindrome (4623223264).

The spelling of 1312201133 in words is "one billion, three hundred twelve million, two hundred one thousand, one hundred thirty-three".