12716117650 has 24 divisors (see below), whose sum is σ = 24896821680. Its totient is φ = 4818738960.

The previous prime is 12716117611. The next prime is 12716117653. The reversal of 12716117650 is 5671161721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12716117653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6691744 + ... + 6693643.

It is an arithmetic number, because the mean of its divisors is an integer number (1037367570).

Almost surely, 2^12716117650 is an apocalyptic number.

12716117650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12716117650 is a deficient number, since it is larger than the sum of its proper divisors (12180704030).

12716117650 is a wasteful number, since it uses less digits than its factorization.

12716117650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385418 (or 13385413 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 12716117650 in words is "twelve billion, seven hundred sixteen million, one hundred seventeen thousand, six hundred fifty".