12038549099 has 8 divisors (see below), whose sum is σ = 12751741728. Its totient is φ = 11325916800.

The previous prime is 12038549023. The next prime is 12038549143. The reversal of 12038549099 is 99094583021.

It is a happy number.

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

It is not a de Polignac number, because 12038549099 - 2²⁰ = 12037500523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12038549009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95432 + ... + 182165.

It is an arithmetic number, because the mean of its divisors is an integer number (1593967716).

Almost surely, 2^12038549099 is an apocalyptic number.

12038549099 is a deficient number, since it is larger than the sum of its proper divisors (713192629).

12038549099 is a wasteful number, since it uses less digits than its factorization.

12038549099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280165.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 12038549099 in words is "twelve billion, thirty-eight million, five hundred forty-nine thousand, ninety-nine".