12302216331366 has 128 divisors (see below), whose sum is σ = 29030053086720. Its totient is φ = 3438967891968.

The previous prime is 12302216331313. The next prime is 12302216331389. The reversal of 12302216331366 is 66313361220321.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 172353601 + ... + 172424963.

It is an arithmetic number, because the mean of its divisors is an integer number (226797289740).

Almost surely, 2^{12302216331366} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302216331366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515026543360).

12302216331366 is an abundant number, since it is smaller than the sum of its proper divisors (16727836755354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12302216331366 is a wasteful number, since it uses less digits than its factorization.

12302216331366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75910.

The product of its (nonzero) digits is 139968, while the sum is 39.

Adding to 12302216331366 its reverse (66313361220321), we get a palindrome (78615577551687).

The spelling of 12302216331366 in words is "twelve trillion, three hundred two billion, two hundred sixteen million, three hundred thirty-one thousand, three hundred sixty-six".