12017480745 has 8 divisors (see below), whose sum is σ = 19227969216. Its totient is φ = 6409323056.

The previous prime is 12017480729. The next prime is 12017480747. The reversal of 12017480745 is 54708471021.

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 12017480745 - 2⁴ = 12017480729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12017480747) 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, 400582677 + ... + 400582706.

It is an arithmetic number, because the mean of its divisors is an integer number (2403496152).

Almost surely, 2^12017480745 is an apocalyptic number.

12017480745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12017480745 is a deficient number, since it is larger than the sum of its proper divisors (7210488471).

12017480745 is an equidigital number, since it uses as much as digits as its factorization.

12017480745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801165391.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 12017480745 in words is "twelve billion, seventeen million, four hundred eighty thousand, seven hundred forty-five".