12845296501 has 2 divisors, whose sum is σ = 12845296502. Its totient is φ = 12845296500.

The previous prime is 12845296447. The next prime is 12845296553. The reversal of 12845296501 is 10569254821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10107286225 + 2738010276 = 100535^2 + 52326^2 .

It is an emirp because it is prime and its reverse (10569254821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12845296501 - 2²⁷ = 12711078773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12845296201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422648250 + 6422648251.

It is an arithmetic number, because the mean of its divisors is an integer number (6422648251).

Almost surely, 2^12845296501 is an apocalyptic number.

It is an amenable number.

12845296501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845296501 is an equidigital number, since it uses as much as digits as its factorization.

12845296501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 12845296501 in words is "twelve billion, eight hundred forty-five million, two hundred ninety-six thousand, five hundred one".