12320100454544 has 20 divisors (see below), whose sum is σ = 23911998842160. Its totient is φ = 6149262043680.

The previous prime is 12320100454507. The next prime is 12320100454687. The reversal of 12320100454544 is 44545400102321.

It is a happy number.

It is a super-4 number, since 4×12320100454544⁴ (a number of 53 digits) contains 4444 as substring.

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, 674252054 + ... + 674270325.

It is an arithmetic number, because the mean of its divisors is an integer number (1195599942108).

Almost surely, 2^{12320100454544} is an apocalyptic number.

It is an amenable number.

12320100454544 is a deficient number, since it is larger than the sum of its proper divisors (11591898387616).

12320100454544 is a wasteful number, since it uses less digits than its factorization.

12320100454544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348522958 (or 1348522952 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12320100454544 its reverse (44545400102321), we get a palindrome (56865500556865).

The spelling of 12320100454544 in words is "twelve trillion, three hundred twenty billion, one hundred million, four hundred fifty-four thousand, five hundred forty-four".