3218268012681 has 8 divisors (see below), whose sum is σ = 4291036049440. Its totient is φ = 2145505992192.

The previous prime is 3218268012679. The next prime is 3218268012697. The reversal of 3218268012681 is 1862108628123.

3218268012681 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3218268012681 - 2¹ = 3218268012679 is a prime.

It is a super-2 number, since 2×3218268012681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3218268012681.

It is not an unprimeable number, because it can be changed into a prime (3218268012881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57016 + ... + 2537673.

It is an arithmetic number, because the mean of its divisors is an integer number (536379506180).

Almost surely, 2^{3218268012681} is an apocalyptic number.

It is an amenable number.

3218268012681 is a deficient number, since it is larger than the sum of its proper divisors (1072768036759).

3218268012681 is a wasteful number, since it uses less digits than its factorization.

3218268012681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008135.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 3218268012681 in words is "three trillion, two hundred eighteen billion, two hundred sixty-eight million, twelve thousand, six hundred eighty-one".