12302144664 has 32 divisors (see below), whose sum is σ = 30893291520. Its totient is φ = 4082324256.

The previous prime is 12302144663. The next prime is 12302144671. The reversal of 12302144664 is 46644120321.

It is a happy number.

12302144664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302144663) by changing a digit.

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, 1143952 + ... + 1154655.

It is an arithmetic number, because the mean of its divisors is an integer number (965415360).

Almost surely, 2^12302144664 is an apocalyptic number.

It is an amenable number.

12302144664 is an abundant number, since it is smaller than the sum of its proper divisors (18591146856).

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

12302144664 is a wasteful number, since it uses less digits than its factorization.

12302144664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298839 (or 2298835 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 12302144664 its reverse (46644120321), we get a palindrome (58946264985).

The spelling of 12302144664 in words is "twelve billion, three hundred two million, one hundred forty-four thousand, six hundred sixty-four".