12038203565 has 8 divisors (see below), whose sum is σ = 15073924608. Its totient is φ = 9211842640.

The previous prime is 12038203553. The next prime is 12038203669. The reversal of 12038203565 is 56530283021.

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

It is not a de Polignac number, because 12038203565 - 2⁴ = 12038203549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52339901 + ... + 52340130.

It is an arithmetic number, because the mean of its divisors is an integer number (1884240576).

Almost surely, 2^12038203565 is an apocalyptic number.

It is an amenable number.

12038203565 is a deficient number, since it is larger than the sum of its proper divisors (3035721043).

12038203565 is a wasteful number, since it uses less digits than its factorization.

12038203565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104680059.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 12038203565 its reverse (56530283021), we get a palindrome (68568486586).

The spelling of 12038203565 in words is "twelve billion, thirty-eight million, two hundred three thousand, five hundred sixty-five".