12381487699 has 8 divisors (see below), whose sum is σ = 14606732288. Its totient is φ = 10270358280.

The previous prime is 12381487681. The next prime is 12381487709. The reversal of 12381487699 is 99678418321.

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

It is not a de Polignac number, because 12381487699 - 2⁵ = 12381487667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12381487799) 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, 28528557 + ... + 28528990.

It is an arithmetic number, because the mean of its divisors is an integer number (1825841536).

Almost surely, 2^12381487699 is an apocalyptic number.

12381487699 is a deficient number, since it is larger than the sum of its proper divisors (2225244589).

12381487699 is an equidigital number, since it uses as much as digits as its factorization.

12381487699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57057585.

The product of its digits is 5225472, while the sum is 58.

The spelling of 12381487699 in words is "twelve billion, three hundred eighty-one million, four hundred eighty-seven thousand, six hundred ninety-nine".