12023245215 has 12 divisors (see below), whose sum is σ = 20840291784. Its totient is φ = 6412397424.

The previous prime is 12023245181. The next prime is 12023245217. The reversal of 12023245215 is 51254232021.

12023245215 is a `hidden beast` number, since 1 + 202 + 3 + 2 + 452 + 1 + 5 = 666.

12023245215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12023245215 - 2²⁰ = 12022196639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023245217) 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 11 ways as a sum of consecutive naturals, for example, 133591569 + ... + 133591658.

It is an arithmetic number, because the mean of its divisors is an integer number (1736690982).

Almost surely, 2^12023245215 is an apocalyptic number.

12023245215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12023245215 is a deficient number, since it is larger than the sum of its proper divisors (8817046569).

12023245215 is a wasteful number, since it uses less digits than its factorization.

12023245215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267183238 (or 267183235 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12023245215 its reverse (51254232021), we get a palindrome (63277477236).

The spelling of 12023245215 in words is "twelve billion, twenty-three million, two hundred forty-five thousand, two hundred fifteen".