12946444227187 has 2 divisors, whose sum is σ = 12946444227188. Its totient is φ = 12946444227186.

The previous prime is 12946444227181. The next prime is 12946444227193. The reversal of 12946444227187 is 78172244464921.

12946444227187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12946444227181) and next prime (12946444227193).

It is a cyclic number.

It is not a de Polignac number, because 12946444227187 - 2¹⁵ = 12946444194419 is a prime.

It is a super-2 number, since 2×12946444227187² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12946444227181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473222113593 + 6473222113594.

It is an arithmetic number, because the mean of its divisors is an integer number (6473222113594).

Almost surely, 2^{12946444227187} is an apocalyptic number.

12946444227187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946444227187 is an equidigital number, since it uses as much as digits as its factorization.

12946444227187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43352064, while the sum is 61.

The spelling of 12946444227187 in words is "twelve trillion, nine hundred forty-six billion, four hundred forty-four million, two hundred twenty-seven thousand, one hundred eighty-seven".