12320016074540 has 96 divisors (see below), whose sum is σ = 28651956984000. Its totient is φ = 4431666401280.

The previous prime is 12320016074539. The next prime is 12320016074567. The reversal of 12320016074540 is 4547061002321.

12320016074540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12320016074540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10109465 + ... + 11262384.

It is an arithmetic number, because the mean of its divisors is an integer number (298457885250).

Almost surely, 2^{12320016074540} is an apocalyptic number.

12320016074540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320016074540 is an abundant number, since it is smaller than the sum of its proper divisors (16331940909460).

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

12320016074540 is a wasteful number, since it uses less digits than its factorization.

12320016074540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21371955 (or 21371953 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 12320016074540 its reverse (4547061002321), we get a palindrome (16867077076861).

The spelling of 12320016074540 in words is "twelve trillion, three hundred twenty billion, sixteen million, seventy-four thousand, five hundred forty".