12867618043 has 32 divisors (see below), whose sum is σ = 15735582720. Its totient is φ = 10284624000.

The previous prime is 12867618041. The next prime is 12867618061. The reversal of 12867618043 is 34081676821.

It is a happy number.

It is not a de Polignac number, because 12867618043 - 2¹ = 12867618041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12867617984 and 12867618002.

It is not an unprimeable number, because it can be changed into a prime (12867618041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591513 + ... + 3595093.

It is an arithmetic number, because the mean of its divisors is an integer number (491736960).

Almost surely, 2^12867618043 is an apocalyptic number.

12867618043 is a deficient number, since it is larger than the sum of its proper divisors (2867964677).

12867618043 is a wasteful number, since it uses less digits than its factorization.

12867618043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 12867618043 in words is "twelve billion, eight hundred sixty-seven million, six hundred eighteen thousand, forty-three".