12477205441 has 4 divisors (see below), whose sum is σ = 12517848112. Its totient is φ = 12436562772.

The previous prime is 12477205421. The next prime is 12477205459. The reversal of 12477205441 is 14450277421.

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 a cyclic number.

It is not a de Polignac number, because 12477205441 - 2⁵ = 12477205409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12477205441.

It is not an unprimeable number, because it can be changed into a prime (12477205421) 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, 20320875 + ... + 20321488.

It is an arithmetic number, because the mean of its divisors is an integer number (3129462028).

Almost surely, 2^12477205441 is an apocalyptic number.

It is an amenable number.

12477205441 is a deficient number, since it is larger than the sum of its proper divisors (40642671).

12477205441 is an equidigital number, since it uses as much as digits as its factorization.

12477205441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40642670.

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 12477205441 in words is "twelve billion, four hundred seventy-seven million, two hundred five thousand, four hundred forty-one".