10209123571199 has 16 divisors (see below), whose sum is σ = 12318757159680. Its totient is φ = 8265069679680.

The previous prime is 10209123571193. The next prime is 10209123571219. The reversal of 10209123571199 is 99117532190201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10209123571199 - 2¹² = 10209123567103 is a prime.

It is a super-2 number, since 2×10209123571199² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209123571193) 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, 115908134 + ... + 115996179.

It is an arithmetic number, because the mean of its divisors is an integer number (769922322480).

Almost surely, 2^{10209123571199} is an apocalyptic number.

10209123571199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10209123571199 is a deficient number, since it is larger than the sum of its proper divisors (2109633588481).

10209123571199 is a wasteful number, since it uses less digits than its factorization.

10209123571199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231904670.

The product of its (nonzero) digits is 306180, while the sum is 50.

The spelling of 10209123571199 in words is "ten trillion, two hundred nine billion, one hundred twenty-three million, five hundred seventy-one thousand, one hundred ninety-nine".