12421254024527 has 2 divisors, whose sum is σ = 12421254024528. Its totient is φ = 12421254024526.

The previous prime is 12421254024481. The next prime is 12421254024533. The reversal of 12421254024527 is 72542045212421.

12421254024527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12421254024527 - 2⁸ = 12421254024271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12421254824527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210627012263 + 6210627012264.

It is an arithmetic number, because the mean of its divisors is an integer number (6210627012264).

Almost surely, 2^{12421254024527} is an apocalyptic number.

12421254024527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421254024527 is an equidigital number, since it uses as much as digits as its factorization.

12421254024527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 358400, while the sum is 41.

Adding to 12421254024527 its reverse (72542045212421), we get a palindrome (84963299236948).

The spelling of 12421254024527 in words is "twelve trillion, four hundred twenty-one billion, two hundred fifty-four million, twenty-four thousand, five hundred twenty-seven".