12361694536 has 16 divisors (see below), whose sum is σ = 23182272000. Its totient is φ = 6179755344.

The previous prime is 12361694533. The next prime is 12361694549. The reversal of 12361694536 is 63549616321.

It is a super-2 number, since 2×12361694536² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12361694533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87336 + ... + 179863.

It is an arithmetic number, because the mean of its divisors is an integer number (1448892000).

Almost surely, 2^12361694536 is an apocalyptic number.

It is an amenable number.

12361694536 is a deficient number, since it is larger than the sum of its proper divisors (10820577464).

12361694536 is a wasteful number, since it uses less digits than its factorization.

12361694536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272988 (or 272984 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The spelling of 12361694536 in words is "twelve billion, three hundred sixty-one million, six hundred ninety-four thousand, five hundred thirty-six".