12340571836 has 6 divisors (see below), whose sum is σ = 21596000720. Its totient is φ = 6170285916.

The previous prime is 12340571821. The next prime is 12340571857. The reversal of 12340571836 is 63817504321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542571476 + ... + 1542571483.

Almost surely, 2^12340571836 is an apocalyptic number.

It is an amenable number.

12340571836 is a deficient number, since it is larger than the sum of its proper divisors (9255428884).

12340571836 is a wasteful number, since it uses less digits than its factorization.

12340571836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085142963 (or 3085142961 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 12340571836 in words is "twelve billion, three hundred forty million, five hundred seventy-one thousand, eight hundred thirty-six".