12310621324666 has 32 divisors (see below), whose sum is σ = 21146775141888. Its totient is φ = 5265277405440.

The previous prime is 12310621324607. The next prime is 12310621324667. The reversal of 12310621324666 is 66642312601321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12310621324667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14310831 + ... + 15146653.

It is an arithmetic number, because the mean of its divisors is an integer number (660836723184).

Almost surely, 2^{12310621324666} is an apocalyptic number.

12310621324666 is a deficient number, since it is larger than the sum of its proper divisors (8836153817222).

12310621324666 is a wasteful number, since it uses less digits than its factorization.

12310621324666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837966.

The product of its (nonzero) digits is 373248, while the sum is 43.

Adding to 12310621324666 its reverse (66642312601321), we get a palindrome (78952933925987).

The spelling of 12310621324666 in words is "twelve trillion, three hundred ten billion, six hundred twenty-one million, three hundred twenty-four thousand, six hundred sixty-six".