12520344123641 has 8 divisors (see below), whose sum is σ = 12814115034240. Its totient is φ = 12227714071888.

The previous prime is 12520344123631. The next prime is 12520344123649. The reversal of 12520344123641 is 14632144302521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12520344123641 - 2⁶ = 12520344123577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12520344123595 and 12520344123604.

It is not an unprimeable number, because it can be changed into a prime (12520344123649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285192506 + ... + 285236403.

It is an arithmetic number, because the mean of its divisors is an integer number (1601764379280).

Almost surely, 2^{12520344123641} is an apocalyptic number.

It is an amenable number.

12520344123641 is a deficient number, since it is larger than the sum of its proper divisors (293770910599).

12520344123641 is an equidigital number, since it uses as much as digits as its factorization.

12520344123641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570429423.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 12520344123641 in words is "twelve trillion, five hundred twenty billion, three hundred forty-four million, one hundred twenty-three thousand, six hundred forty-one".