12465949915 has 8 divisors (see below), whose sum is σ = 14959739088. Its totient is φ = 9972360480.

The previous prime is 12465949829. The next prime is 12465949939. The reversal of 12465949915 is 51994956421.

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 12465949915 - 2¹³ = 12465941723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224029 + ... + 274081.

It is an arithmetic number, because the mean of its divisors is an integer number (1869967386).

Almost surely, 2^12465949915 is an apocalyptic number.

12465949915 is a deficient number, since it is larger than the sum of its proper divisors (2493789173).

12465949915 is an equidigital number, since it uses as much as digits as its factorization.

12465949915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99869.

The product of its digits is 3499200, while the sum is 55.

The spelling of 12465949915 in words is "twelve billion, four hundred sixty-five million, nine hundred forty-nine thousand, nine hundred fifteen".