12081290782499 has 8 divisors (see below), whose sum is σ = 12122698321440. Its totient is φ = 12039884430976.

The previous prime is 12081290782489. The next prime is 12081290782529. The reversal of 12081290782499 is 99428709218021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12081290782499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12081290782489) 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, 23291594 + ... + 23804640.

It is an arithmetic number, because the mean of its divisors is an integer number (1515337290180).

Almost surely, 2^{12081290782499} is an apocalyptic number.

12081290782499 is a deficient number, since it is larger than the sum of its proper divisors (41407538941).

12081290782499 is an equidigital number, since it uses as much as digits as its factorization.

12081290782499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593709.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 12081290782499 in words is "twelve trillion, eighty-one billion, two hundred ninety million, seven hundred eighty-two thousand, four hundred ninety-nine".