12136787623 has 8 divisors (see below), whose sum is σ = 12207987792. Its totient is φ = 12065684736.

The previous prime is 12136787609. The next prime is 12136787647. The reversal of 12136787623 is 32678763121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12136787623 - 2³³ = 3546853031 is a prime.

It is a super-2 number, since 2×12136787623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136787603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233911 + ... + 281047.

It is an arithmetic number, because the mean of its divisors is an integer number (1525998474).

Almost surely, 2^12136787623 is an apocalyptic number.

12136787623 is a deficient number, since it is larger than the sum of its proper divisors (71200169).

12136787623 is a wasteful number, since it uses less digits than its factorization.

12136787623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641.

The product of its digits is 508032, while the sum is 46.

The spelling of 12136787623 in words is "twelve billion, one hundred thirty-six million, seven hundred eighty-seven thousand, six hundred twenty-three".