12048423997 has 4 divisors (see below), whose sum is σ = 12374057116. Its totient is φ = 11722790880.

The previous prime is 12048423953. The next prime is 12048424019. The reversal of 12048423997 is 79932484021.

12048423997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10639097316 + 1409326681 = 103146^2 + 37541^2 .

It is a cyclic number.

It is not a de Polignac number, because 12048423997 - 2¹⁹ = 12047899709 is a prime.

It is a super-2 number, since 2×12048423997² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12048423997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12048423097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162816504 + ... + 162816577.

It is an arithmetic number, because the mean of its divisors is an integer number (3093514279).

Almost surely, 2^12048423997 is an apocalyptic number.

It is an amenable number.

12048423997 is a deficient number, since it is larger than the sum of its proper divisors (325633119).

12048423997 is an equidigital number, since it uses as much as digits as its factorization.

12048423997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325633118.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 12048423997 in words is "twelve billion, forty-eight million, four hundred twenty-three thousand, nine hundred ninety-seven".