12072561562481 has 8 divisors (see below), whose sum is σ = 13952238082560. Its totient is φ = 10231641259488.

The previous prime is 12072561562423. The next prime is 12072561562493. The reversal of 12072561562481 is 18426516527021.

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 12072561562481 - 2⁶ = 12072561562417 is a prime.

It is a super-2 number, since 2×12072561562481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12072569562481) 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, 9689053601 + ... + 9689054846.

It is an arithmetic number, because the mean of its divisors is an integer number (1744029760320).

Almost surely, 2^{12072561562481} is an apocalyptic number.

It is an amenable number.

12072561562481 is a deficient number, since it is larger than the sum of its proper divisors (1879676520079).

12072561562481 is an equidigital number, since it uses as much as digits as its factorization.

12072561562481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19378108543.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 12072561562481 in words is "twelve trillion, seventy-two billion, five hundred sixty-one million, five hundred sixty-two thousand, four hundred eighty-one".