12535310999 has 4 divisors (see below), whose sum is σ = 12676157280. Its totient is φ = 12394464720.

The previous prime is 12535310981. The next prime is 12535311031. The reversal of 12535310999 is 99901353521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99901353521 = 37277 ⋅2679973.

It is a cyclic number.

It is not a de Polignac number, because 12535310999 - 2²⁰ = 12534262423 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 (12535310899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70423007 + ... + 70423184.

It is an arithmetic number, because the mean of its divisors is an integer number (3169039320).

Almost surely, 2^12535310999 is an apocalyptic number.

12535310999 is a deficient number, since it is larger than the sum of its proper divisors (140846281).

12535310999 is an equidigital number, since it uses as much as digits as its factorization.

12535310999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140846280.

The product of its (nonzero) digits is 328050, while the sum is 47.

The spelling of 12535310999 in words is "twelve billion, five hundred thirty-five million, three hundred ten thousand, nine hundred ninety-nine".