12604126920641 has 16 divisors (see below), whose sum is σ = 13233854739840. Its totient is φ = 11987419530240.

The previous prime is 12604126920631. The next prime is 12604126920733. The reversal of 12604126920641 is 14602962140621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12604126920641 - 2²² = 12604122726337 is a prime.

It is a super-2 number, since 2×12604126920641² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12604126920592 and 12604126920601.

It is not an unprimeable number, because it can be changed into a prime (12604126920631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59410145 + ... + 59621921.

It is an arithmetic number, because the mean of its divisors is an integer number (827115921240).

Almost surely, 2^{12604126920641} is an apocalyptic number.

It is an amenable number.

12604126920641 is a deficient number, since it is larger than the sum of its proper divisors (629727819199).

12604126920641 is a wasteful number, since it uses less digits than its factorization.

12604126920641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242504.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 12604126920641 in words is "twelve trillion, six hundred four billion, one hundred twenty-six million, nine hundred twenty thousand, six hundred forty-one".