12254121431 has 2 divisors, whose sum is σ = 12254121432. Its totient is φ = 12254121430.

The previous prime is 12254121379. The next prime is 12254121469. The reversal of 12254121431 is 13412145221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12254121431 - 2⁶ = 12254121367 is a prime.

It is a super-2 number, since 2×12254121431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12254121431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254121331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127060715 + 6127060716.

It is an arithmetic number, because the mean of its divisors is an integer number (6127060716).

Almost surely, 2^12254121431 is an apocalyptic number.

12254121431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254121431 is an equidigital number, since it uses as much as digits as its factorization.

12254121431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

Adding to 12254121431 its reverse (13412145221), we get a palindrome (25666266652).

The spelling of 12254121431 in words is "twelve billion, two hundred fifty-four million, one hundred twenty-one thousand, four hundred thirty-one".