12315234242066 has 8 divisors (see below), whose sum is σ = 21111830129280. Its totient is φ = 5277957532308.

The previous prime is 12315234242009. The next prime is 12315234242093. The reversal of 12315234242066 is 66024243251321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439829794346 + ... + 439829794373.

It is an arithmetic number, because the mean of its divisors is an integer number (2638978766160).

Almost surely, 2^{12315234242066} is an apocalyptic number.

12315234242066 is a deficient number, since it is larger than the sum of its proper divisors (8796595887214).

12315234242066 is an equidigital number, since it uses as much as digits as its factorization.

12315234242066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879659588728.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 12315234242066 its reverse (66024243251321), we get a palindrome (78339477493387).

The spelling of 12315234242066 in words is "twelve trillion, three hundred fifteen billion, two hundred thirty-four million, two hundred forty-two thousand, sixty-six".