12289511684 has 24 divisors (see below), whose sum is σ = 23256253440. Its totient is φ = 5660249216.

The previous prime is 12289511683. The next prime is 12289511713. The reversal of 12289511684 is 48611598221.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (12289511683) 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, 1919444 + ... + 1925835.

It is an arithmetic number, because the mean of its divisors is an integer number (969010560).

Almost surely, 2^12289511684 is an apocalyptic number.

It is an amenable number.

12289511684 is a deficient number, since it is larger than the sum of its proper divisors (10966741756).

12289511684 is a wasteful number, since it uses less digits than its factorization.

12289511684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845347 (or 3845345 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The spelling of 12289511684 in words is "twelve billion, two hundred eighty-nine million, five hundred eleven thousand, six hundred eighty-four".