1312232320201 has 16 divisors (see below), whose sum is σ = 1438337694528. Its totient is φ = 1187275648000.

The previous prime is 1312232320187. The next prime is 1312232320213. The reversal of 1312232320201 is 1020232322131.

It is a cyclic number.

It is not a de Polignac number, because 1312232320201 - 2¹¹ = 1312232318153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312232320261) 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, 1618305 + ... + 2289841.

It is an arithmetic number, because the mean of its divisors is an integer number (89896105908).

Almost surely, 2^{1312232320201} is an apocalyptic number.

1312232320201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312232320201 is a deficient number, since it is larger than the sum of its proper divisors (126105374327).

1312232320201 is a wasteful number, since it uses less digits than its factorization.

1312232320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672392.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1312232320201 its reverse (1020232322131), we get a palindrome (2332464642332).

It can be divided in two parts, 13122 and 32320201, that added together give a palindrome (32333323).

The spelling of 1312232320201 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred twenty thousand, two hundred one".