10217215123199 has 16 divisors (see below), whose sum is σ = 11918724000000. Its totient is φ = 8754963786072.

The previous prime is 10217215123177. The next prime is 10217215123207. The reversal of 10217215123199 is 99132151271201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10217215123199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10217215123699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369449 + ... + 5638050.

It is an arithmetic number, because the mean of its divisors is an integer number (744920250000).

Almost surely, 2^{10217215123199} is an apocalyptic number.

10217215123199 is a deficient number, since it is larger than the sum of its proper divisors (1701508876801).

10217215123199 is an frugal number, since it uses more digits than its factorization.

10217215123199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010827 (or 9010813 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 44.

The spelling of 10217215123199 in words is "ten trillion, two hundred seventeen billion, two hundred fifteen million, one hundred twenty-three thousand, one hundred ninety-nine".