12320171464624 has 40 divisors (see below), whose sum is σ = 24530714690720. Its totient is φ = 5989871420928.

The previous prime is 12320171464621. The next prime is 12320171464669. The reversal of 12320171464624 is 42646417102321.

It is a happy number.

It is a super-2 number, since 2×12320171464624² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320171464621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5514564 + ... + 7419619.

It is an arithmetic number, because the mean of its divisors is an integer number (613267867268).

Almost surely, 2^{12320171464624} is an apocalyptic number.

It is an amenable number.

12320171464624 is a deficient number, since it is larger than the sum of its proper divisors (12210543226096).

12320171464624 is a wasteful number, since it uses less digits than its factorization.

12320171464624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935837 (or 12935831 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

Adding to 12320171464624 its reverse (42646417102321), we get a palindrome (54966588566945).

The spelling of 12320171464624 in words is "twelve trillion, three hundred twenty billion, one hundred seventy-one million, four hundred sixty-four thousand, six hundred twenty-four".