12868643222469 has 40 divisors (see below), whose sum is σ = 19965295278720. Its totient is φ = 8254246788864.

The previous prime is 12868643222467. The next prime is 12868643222497. The reversal of 12868643222469 is 96422234686821.

12868643222469 is a `hidden beast` number, since 1 + 2 + 8 + 6 + 8 + 64 + 322 + 246 + 9 = 666.

It is not a de Polignac number, because 12868643222469 - 2¹ = 12868643222467 is a prime.

It is a super-2 number, since 2×12868643222469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868643222467) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28421644 + ... + 28870869.

It is an arithmetic number, because the mean of its divisors is an integer number (499132381968).

Almost surely, 2^{12868643222469} is an apocalyptic number.

It is an amenable number.

12868643222469 is a deficient number, since it is larger than the sum of its proper divisors (7096652056251).

12868643222469 is an equidigital number, since it uses as much as digits as its factorization.

12868643222469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57292631 (or 57292622 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 63.

The spelling of 12868643222469 in words is "twelve trillion, eight hundred sixty-eight billion, six hundred forty-three million, two hundred twenty-two thousand, four hundred sixty-nine".