12380536699 has 4 divisors (see below), whose sum is σ = 12381052840. Its totient is φ = 12380020560.

The previous prime is 12380536657. The next prime is 12380536717. The reversal of 12380536699 is 99663508321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12380536699 - 2¹³ = 12380528507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12380536639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220242 + ... + 270679.

It is an arithmetic number, because the mean of its divisors is an integer number (3095263210).

Almost surely, 2^12380536699 is an apocalyptic number.

12380536699 is a deficient number, since it is larger than the sum of its proper divisors (516141).

12380536699 is an equidigital number, since it uses as much as digits as its factorization.

12380536699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516140.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 12380536699 in words is "twelve billion, three hundred eighty million, five hundred thirty-six thousand, six hundred ninety-nine".