12401043401311 has 16 divisors (see below), whose sum is σ = 13063537681920. Its totient is φ = 11748902346720.

The previous prime is 12401043401309. The next prime is 12401043401347. The reversal of 12401043401311 is 11310434010421.

It is a cyclic number.

It is not a de Polignac number, because 12401043401311 - 2¹ = 12401043401309 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 (12401043401711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6257446 + ... + 7997356.

It is an arithmetic number, because the mean of its divisors is an integer number (816471105120).

Almost surely, 2^{12401043401311} is an apocalyptic number.

12401043401311 is a deficient number, since it is larger than the sum of its proper divisors (662494280609).

12401043401311 is a wasteful number, since it uses less digits than its factorization.

12401043401311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742886.

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

Adding to 12401043401311 its reverse (11310434010421), we get a palindrome (23711477411732).

The spelling of 12401043401311 in words is "twelve trillion, four hundred one billion, forty-three million, four hundred one thousand, three hundred eleven".