12817065190 has 8 divisors (see below), whose sum is σ = 23070717360. Its totient is φ = 5126826072.

The previous prime is 12817065181. The next prime is 12817065197. The reversal of 12817065190 is 9156071821.

It is a happy number.

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

It is a super-2 number, since 2×12817065190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12817065197) 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, 640853250 + ... + 640853269.

It is an arithmetic number, because the mean of its divisors is an integer number (2883839670).

Almost surely, 2^12817065190 is an apocalyptic number.

12817065190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12817065190 is a deficient number, since it is larger than the sum of its proper divisors (10253652170).

12817065190 is a wasteful number, since it uses less digits than its factorization.

12817065190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281706526.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 12817065190 in words is "twelve billion, eight hundred seventeen million, sixty-five thousand, one hundred ninety".