12250435443143 has 2 divisors, whose sum is σ = 12250435443144. Its totient is φ = 12250435443142.

The previous prime is 12250435443139. The next prime is 12250435443269. The reversal of 12250435443143 is 34134453405221.

12250435443143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12250435443143 - 2² = 12250435443139 is a prime.

It is a super-2 number, since 2×12250435443143² (a number of 27 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 12250435443143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12250435443943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125217721571 + 6125217721572.

It is an arithmetic number, because the mean of its divisors is an integer number (6125217721572).

Almost surely, 2^{12250435443143} is an apocalyptic number.

12250435443143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250435443143 is an equidigital number, since it uses as much as digits as its factorization.

12250435443143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 12250435443143 its reverse (34134453405221), we get a palindrome (46384888848364).

The spelling of 12250435443143 in words is "twelve trillion, two hundred fifty billion, four hundred thirty-five million, four hundred forty-three thousand, one hundred forty-three".