12787429236208 has 20 divisors (see below), whose sum is σ = 27027975431448. Its totient is φ = 5812467834560.

The previous prime is 12787429236187. The next prime is 12787429236221. The reversal of 12787429236208 is 80263292478721.

It is a super-2 number, since 2×12787429236208² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36327923791 + ... + 36327924142.

Almost surely, 2^{12787429236208} is an apocalyptic number.

It is an amenable number.

12787429236208 is an abundant number, since it is smaller than the sum of its proper divisors (14240546195240).

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

12787429236208 is a wasteful number, since it uses less digits than its factorization.

12787429236208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72655847952 (or 72655847946 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 61.

The spelling of 12787429236208 in words is "twelve trillion, seven hundred eighty-seven billion, four hundred twenty-nine million, two hundred thirty-six thousand, two hundred eight".