1312243211401 has 16 divisors (see below), whose sum is σ = 1382714625600. Its totient is φ = 1241913083328.

The previous prime is 1312243211393. The next prime is 1312243211413. The reversal of 1312243211401 is 1041123422131.

It is a cyclic number.

It is not a de Polignac number, because 1312243211401 - 2³ = 1312243211393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312243211471) 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, 89706450 + ... + 89721076.

It is an arithmetic number, because the mean of its divisors is an integer number (86419664100).

Almost surely, 2^{1312243211401} is an apocalyptic number.

It is an amenable number.

1312243211401 is a deficient number, since it is larger than the sum of its proper divisors (70471414199).

1312243211401 is a wasteful number, since it uses less digits than its factorization.

1312243211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19128.

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

Adding to 1312243211401 its reverse (1041123422131), we get a palindrome (2353366633532).

The spelling of 1312243211401 in words is "one trillion, three hundred twelve billion, two hundred forty-three million, two hundred eleven thousand, four hundred one".