12243142533 has 16 divisors (see below), whose sum is σ = 16491666816. Its totient is φ = 8078414400.

The previous prime is 12243142507. The next prime is 12243142543. The reversal of 12243142533 is 33524134221.

It is not a de Polignac number, because 12243142533 - 2⁶ = 12243142469 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12243142533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243142543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162216 + ... + 1172702.

It is an arithmetic number, because the mean of its divisors is an integer number (1030729176).

Almost surely, 2^12243142533 is an apocalyptic number.

It is an amenable number.

12243142533 is a deficient number, since it is larger than the sum of its proper divisors (4248524283).

12243142533 is a wasteful number, since it uses less digits than its factorization.

12243142533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444.

The product of its digits is 17280, while the sum is 30.

Adding to 12243142533 its reverse (33524134221), we get a palindrome (45767276754).

The spelling of 12243142533 in words is "twelve billion, two hundred forty-three million, one hundred forty-two thousand, five hundred thirty-three".