1312220312201 has 16 divisors (see below), whose sum is σ = 1322485781760. Its totient is φ = 1301998974720.

The previous prime is 1312220312189. The next prime is 1312220312231. The reversal of 1312220312201 is 1022130222131.

It is a cyclic number.

It is not a de Polignac number, because 1312220312201 - 2¹⁰ = 1312220311177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312220312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238279490 + ... + 238284996.

It is an arithmetic number, because the mean of its divisors is an integer number (82655361360).

Almost surely, 2^{1312220312201} is an apocalyptic number.

It is an amenable number.

1312220312201 is a deficient number, since it is larger than the sum of its proper divisors (10265469559).

1312220312201 is a wasteful number, since it uses less digits than its factorization.

1312220312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312220312201 its reverse (1022130222131), we get a palindrome (2334350534332).

The spelling of 1312220312201 in words is "one trillion, three hundred twelve billion, two hundred twenty million, three hundred twelve thousand, two hundred one".