12512789041 has 2 divisors, whose sum is σ = 12512789042. Its totient is φ = 12512789040.

The previous prime is 12512789039. The next prime is 12512789059. The reversal of 12512789041 is 14098721521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11349706225 + 1163082816 = 106535^2 + 34104^2 .

It is a cyclic number.

It is not a de Polignac number, because 12512789041 - 2¹ = 12512789039 is a prime.

Together with 12512789039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12512788985 and 12512789003.

It is not a weakly prime, because it can be changed into another prime (12512789071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256394520 + 6256394521.

It is an arithmetic number, because the mean of its divisors is an integer number (6256394521).

Almost surely, 2^12512789041 is an apocalyptic number.

It is an amenable number.

12512789041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512789041 is an equidigital number, since it uses as much as digits as its factorization.

12512789041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 12512789041 in words is "twelve billion, five hundred twelve million, seven hundred eighty-nine thousand, forty-one".