12013206876 has 120 divisors (see below), whose sum is σ = 36275356656. Its totient is φ = 3426209280.

The previous prime is 12013206871. The next prime is 12013206883. The reversal of 12013206876 is 67860231021.

12013206876 is a `hidden beast` number, since 1 + 201 + 320 + 68 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12013206876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013206871) 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, 38551 + ... + 159726.

Almost surely, 2^12013206876 is an apocalyptic number.

It is an amenable number.

12013206876 is an abundant number, since it is smaller than the sum of its proper divisors (24262149780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013206876 is a wasteful number, since it uses less digits than its factorization.

12013206876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198321 (or 198310 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 12013206876 its reverse (67860231021), we get a palindrome (79873437897).

The spelling of 12013206876 in words is "twelve billion, thirteen million, two hundred six thousand, eight hundred seventy-six".