12641263301 has 4 divisors (see below), whose sum is σ = 12656889900. Its totient is φ = 12625636704.

The previous prime is 12641263273. The next prime is 12641263309. The reversal of 12641263301 is 10336214621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10336214621 = 677 ⋅15267673.

It can be written as a sum of positive squares in 2 ways, for example, as 8172340801 + 4468922500 = 90401^2 + 66850^2 .

It is a cyclic number.

It is not a de Polignac number, because 12641263301 - 2¹⁸ = 12641001157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641263309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7812086 + ... + 7813703.

It is an arithmetic number, because the mean of its divisors is an integer number (3164222475).

Almost surely, 2^12641263301 is an apocalyptic number.

It is an amenable number.

12641263301 is a deficient number, since it is larger than the sum of its proper divisors (15626599).

12641263301 is an equidigital number, since it uses as much as digits as its factorization.

12641263301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15626598.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 12641263301 its reverse (10336214621), we get a palindrome (22977477922).

The spelling of 12641263301 in words is "twelve billion, six hundred forty-one million, two hundred sixty-three thousand, three hundred one".