12530848261 has 4 divisors (see below), whose sum is σ = 12582843724. Its totient is φ = 12478852800.

The previous prime is 12530848249. The next prime is 12530848273. The reversal of 12530848261 is 16284803521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12530848249) and next prime (12530848273).

It can be written as a sum of positive squares in 2 ways, for example, as 8989884225 + 3540964036 = 94815^2 + 59506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12530848261 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 (12530848961) 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, 25997370 + ... + 25997851.

It is an arithmetic number, because the mean of its divisors is an integer number (3145710931).

Almost surely, 2^12530848261 is an apocalyptic number.

It is an amenable number.

12530848261 is a deficient number, since it is larger than the sum of its proper divisors (51995463).

12530848261 is an equidigital number, since it uses as much as digits as its factorization.

12530848261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51995462.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 12530848261 in words is "twelve billion, five hundred thirty million, eight hundred forty-eight thousand, two hundred sixty-one".