1312204121341 has 4 divisors (see below), whose sum is σ = 1312267714684. Its totient is φ = 1312140528000.

The previous prime is 1312204121309. The next prime is 1312204121351. The reversal of 1312204121341 is 1431214022131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319349312100 + 992854809241 = 565110^2 + 996421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312204121341 - 2⁵ = 1312204121309 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 (1312204121351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31765710 + ... + 31806991.

It is an arithmetic number, because the mean of its divisors is an integer number (328066928671).

Almost surely, 2^{1312204121341} is an apocalyptic number.

It is an amenable number.

1312204121341 is a deficient number, since it is larger than the sum of its proper divisors (63593343).

1312204121341 is an equidigital number, since it uses as much as digits as its factorization.

1312204121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63593342.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1312204121341 its reverse (1431214022131), we get a palindrome (2743418143472).

The spelling of 1312204121341 in words is "one trillion, three hundred twelve billion, two hundred four million, one hundred twenty-one thousand, three hundred forty-one".