12042164515 has 8 divisors (see below), whose sum is σ = 14451243840. Its totient is φ = 9633300672.

The previous prime is 12042164473. The next prime is 12042164539. The reversal of 12042164515 is 51546124021.

It is a happy number.

12042164515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12042164515 - 2²⁵ = 12008610083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120246 + ... + 196324.

It is an arithmetic number, because the mean of its divisors is an integer number (1806405480).

Almost surely, 2^12042164515 is an apocalyptic number.

12042164515 is a deficient number, since it is larger than the sum of its proper divisors (2409079325).

12042164515 is an equidigital number, since it uses as much as digits as its factorization.

12042164515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107741.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 12042164515 its reverse (51546124021), we get a palindrome (63588288536).

The spelling of 12042164515 in words is "twelve billion, forty-two million, one hundred sixty-four thousand, five hundred fifteen".