1312410221 has 16 divisors (see below), whose sum is σ = 1362821760. Its totient is φ = 1263138240.

The previous prime is 1312410163. The next prime is 1312410223. The reversal of 1312410221 is 1220142131.

It is a cyclic number.

It is not a de Polignac number, because 1312410221 - 2¹⁴ = 1312393837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312410221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312410223) 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 15 ways as a sum of consecutive naturals, for example, 860966 + ... + 862488.

It is an arithmetic number, because the mean of its divisors is an integer number (85176360).

Almost surely, 2^1312410221 is an apocalyptic number.

It is an amenable number.

1312410221 is a deficient number, since it is larger than the sum of its proper divisors (50411539).

1312410221 is a wasteful number, since it uses less digits than its factorization.

1312410221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1312410221 is about 36227.2027763668. The cubic root of 1312410221 is about 1094.8548200314.

Adding to 1312410221 its reverse (1220142131), we get a palindrome (2532552352).

The spelling of 1312410221 in words is "one billion, three hundred twelve million, four hundred ten thousand, two hundred twenty-one".