1312213001 has 8 divisors (see below), whose sum is σ = 1432142208. Its totient is φ = 1192390000.

The previous prime is 1312212977. The next prime is 1312213013. The reversal of 1312213001 is 1003122131.

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 1312213001 - 2¹⁴ = 1312196617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312213031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 51231.

It is an arithmetic number, because the mean of its divisors is an integer number (179017776).

Almost surely, 2^1312213001 is an apocalyptic number.

1312213001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312213001 is a deficient number, since it is larger than the sum of its proper divisors (119929207).

1312213001 is a wasteful number, since it uses less digits than its factorization.

1312213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53103.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312213001 is about 36224.4806864087. The cubic root of 1312213001 is about 1094.7999748615.

Adding to 1312213001 its reverse (1003122131), we get a palindrome (2315335132).

The spelling of 1312213001 in words is "one billion, three hundred twelve million, two hundred thirteen thousand, one".