12504462261 has 4 divisors (see below), whose sum is σ = 16672616352. Its totient is φ = 8336308172.

The previous prime is 12504462259. The next prime is 12504462263. The reversal of 12504462261 is 16226440521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12504462259) and next prime (12504462263).

It is a cyclic number.

It is not a de Polignac number, because 12504462261 - 2¹ = 12504462259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504462263) 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, 2084077041 + ... + 2084077046.

It is an arithmetic number, because the mean of its divisors is an integer number (4168154088).

Almost surely, 2^12504462261 is an apocalyptic number.

It is an amenable number.

12504462261 is a deficient number, since it is larger than the sum of its proper divisors (4168154091).

12504462261 is an equidigital number, since it uses as much as digits as its factorization.

12504462261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168154090.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12504462261 in words is "twelve billion, five hundred four million, four hundred sixty-two thousand, two hundred sixty-one".