12447030261 has 16 divisors (see below), whose sum is σ = 16640709120. Its totient is φ = 8275710960.

The previous prime is 12447030247. The next prime is 12447030293. The reversal of 12447030261 is 16203074421.

It is not a de Polignac number, because 12447030261 - 2²⁶ = 12379921397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447030061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3817650 + ... + 3820908.

It is an arithmetic number, because the mean of its divisors is an integer number (1040044320).

Almost surely, 2^12447030261 is an apocalyptic number.

It is an amenable number.

12447030261 is a deficient number, since it is larger than the sum of its proper divisors (4193678859).

12447030261 is a wasteful number, since it uses less digits than its factorization.

12447030261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296.

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 12447030261 in words is "twelve billion, four hundred forty-seven million, thirty thousand, two hundred sixty-one".