12450533231 has 2 divisors, whose sum is σ = 12450533232. Its totient is φ = 12450533230.

The previous prime is 12450533201. The next prime is 12450533267. The reversal of 12450533231 is 13233505421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13233505421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12450533231 - 2¹⁴ = 12450516847 is a prime.

It is a super-2 number, since 2×12450533231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12450533194 and 12450533203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12450533201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225266615 + 6225266616.

It is an arithmetic number, because the mean of its divisors is an integer number (6225266616).

Almost surely, 2^12450533231 is an apocalyptic number.

12450533231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450533231 is an equidigital number, since it uses as much as digits as its factorization.

12450533231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 12450533231 in words is "twelve billion, four hundred fifty million, five hundred thirty-three thousand, two hundred thirty-one".