12464781099 has 8 divisors (see below), whose sum is σ = 16623616512. Its totient is φ = 8307899880.

The previous prime is 12464781083. The next prime is 12464781107. The reversal of 12464781099 is 99018746421.

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

It is not a de Polignac number, because 12464781099 - 2⁴ = 12464781083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12464781799) 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, 473599 + ... + 499224.

It is an arithmetic number, because the mean of its divisors is an integer number (2077952064).

Almost surely, 2^12464781099 is an apocalyptic number.

12464781099 is a deficient number, since it is larger than the sum of its proper divisors (4158835413).

12464781099 is an equidigital number, since it uses as much as digits as its factorization.

12464781099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977097.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 12464781099 in words is "twelve billion, four hundred sixty-four million, seven hundred eighty-one thousand, ninety-nine".