12508216223641 has 4 divisors (see below), whose sum is σ = 12799104973072. Its totient is φ = 12217327474212.

The previous prime is 12508216223627. The next prime is 12508216223647. The reversal of 12508216223641 is 14632261280521.

12508216223641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12508216223641 - 2⁷ = 12508216223513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 290888749387 = 12508216223641 / (1 + 2 + 5 + 0 + 8 + 2 + 1 + 6 + 2 + 2 + 3 + 6 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12508216223647) 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, 145444374651 + ... + 145444374736.

It is an arithmetic number, because the mean of its divisors is an integer number (3199776243268).

Almost surely, 2^{12508216223641} is an apocalyptic number.

It is an amenable number.

12508216223641 is a deficient number, since it is larger than the sum of its proper divisors (290888749431).

12508216223641 is an equidigital number, since it uses as much as digits as its factorization.

12508216223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290888749430.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 12508216223641 in words is "twelve trillion, five hundred eight billion, two hundred sixteen million, two hundred twenty-three thousand, six hundred forty-one".