12005250641 has 2 divisors, whose sum is σ = 12005250642. Its totient is φ = 12005250640.

The previous prime is 12005250629. The next prime is 12005250701. The reversal of 12005250641 is 14605250021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11951081041 + 54169600 = 109321^2 + 7360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12005250641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12005250641.

It is not a weakly prime, because it can be changed into another prime (12005250041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002625320 + 6002625321.

It is an arithmetic number, because the mean of its divisors is an integer number (6002625321).

Almost surely, 2^12005250641 is an apocalyptic number.

It is an amenable number.

12005250641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005250641 is an equidigital number, since it uses as much as digits as its factorization.

12005250641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 12005250641 in words is "twelve billion, five million, two hundred fifty thousand, six hundred forty-one".