12401755206613 has 8 divisors (see below), whose sum is σ = 12474499616568. Its totient is φ = 12329022957504.

The previous prime is 12401755206571. The next prime is 12401755206623. The reversal of 12401755206613 is 31660255710421.

It can be written as a sum of positive squares in 4 ways, for example, as 6753751044804 + 5648004161809 = 2598798^2 + 2376553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12401755206613 - 2²¹ = 12401753109461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12401755206613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401755206623) 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 7 ways as a sum of consecutive naturals, for example, 990570 + ... + 5077867.

It is an arithmetic number, because the mean of its divisors is an integer number (1559312452071).

Almost surely, 2^{12401755206613} is an apocalyptic number.

It is an amenable number.

12401755206613 is a deficient number, since it is larger than the sum of its proper divisors (72744409955).

12401755206613 is a wasteful number, since it uses less digits than its factorization.

12401755206613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080423.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 12401755206613 in words is "twelve trillion, four hundred one billion, seven hundred fifty-five million, two hundred six thousand, six hundred thirteen".