12241644021423 has 24 divisors (see below), whose sum is σ = 17877583563840. Its totient is φ = 8071276415040.

The previous prime is 12241644021389. The next prime is 12241644021427. The reversal of 12241644021423 is 32412044614221.

12241644021423 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 1 + 644 + 0 + 2 + 1 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 12241644021423 - 2¹² = 12241644017327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241644021427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11002311 + ... + 12063752.

It is an arithmetic number, because the mean of its divisors is an integer number (744899315160).

Almost surely, 2^{12241644021423} is an apocalyptic number.

12241644021423 is a deficient number, since it is larger than the sum of its proper divisors (5635939542417).

12241644021423 is a wasteful number, since it uses less digits than its factorization.

12241644021423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23066719 (or 23066716 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 12241644021423 its reverse (32412044614221), we get a palindrome (44653688635644).

The spelling of 12241644021423 in words is "twelve trillion, two hundred forty-one billion, six hundred forty-four million, twenty-one thousand, four hundred twenty-three".