12243520011 has 8 divisors (see below), whose sum is σ = 17034462720. Its totient is φ = 7807461992.

The previous prime is 12243519979. The next prime is 12243520013. The reversal of 12243520011 is 11002534221.

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

It is a cyclic number.

It is not a de Polignac number, because 12243520011 - 2⁵ = 12243519979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12243520011.

It is not an unprimeable number, because it can be changed into a prime (12243520013) 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, 88721091 + ... + 88721228.

It is an arithmetic number, because the mean of its divisors is an integer number (2129307840).

Almost surely, 2^12243520011 is an apocalyptic number.

12243520011 is a deficient number, since it is larger than the sum of its proper divisors (4790942709).

12243520011 is a wasteful number, since it uses less digits than its factorization.

12243520011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177442345.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12243520011 in words is "twelve billion, two hundred forty-three million, five hundred twenty thousand, eleven".