12612619356439 has 2 divisors, whose sum is σ = 12612619356440. Its totient is φ = 12612619356438.

The previous prime is 12612619356401. The next prime is 12612619356527. The reversal of 12612619356439 is 93465391621621.

12612619356439 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 a de Polignac number, because none of the positive numbers 2^k-12612619356439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12612619306439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306309678219 + 6306309678220.

It is an arithmetic number, because the mean of its divisors is an integer number (6306309678220).

Almost surely, 2^{12612619356439} is an apocalyptic number.

12612619356439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12612619356439 is an equidigital number, since it uses as much as digits as its factorization.

12612619356439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 58.

The spelling of 12612619356439 in words is "twelve trillion, six hundred twelve billion, six hundred nineteen million, three hundred fifty-six thousand, four hundred thirty-nine".