12886031231221 has 8 divisors (see below), whose sum is σ = 12895085758464. Its totient is φ = 12876978151440.

The previous prime is 12886031231207. The next prime is 12886031231237. The reversal of 12886031231221 is 12213213068821.

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 12886031231221 - 2¹³ = 12886031223029 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 (12886031231321) 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, 17767716 + ... + 18478738.

It is an arithmetic number, because the mean of its divisors is an integer number (1611885719808).

Almost surely, 2^{12886031231221} is an apocalyptic number.

It is an amenable number.

12886031231221 is a deficient number, since it is larger than the sum of its proper divisors (9054527243).

12886031231221 is a wasteful number, since it uses less digits than its factorization.

12886031231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723731.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 12886031231221 in words is "twelve trillion, eight hundred eighty-six billion, thirty-one million, two hundred thirty-one thousand, two hundred twenty-one".