12320544026512 has 20 divisors (see below), whose sum is σ = 23873283031936. Its totient is φ = 6159696792480.

The previous prime is 12320544026459. The next prime is 12320544026551. The reversal of 12320544026512 is 21562044502321.

12320544026512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12320544026512² (a number of 27 digits) contains 22 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, 35774568 + ... + 36117319.

Almost surely, 2^{12320544026512} is an apocalyptic number.

It is an amenable number.

12320544026512 is a deficient number, since it is larger than the sum of its proper divisors (11552739005424).

12320544026512 is a wasteful number, since it uses less digits than its factorization.

12320544026512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71902606 (or 71902600 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 12320544026512 its reverse (21562044502321), we get a palindrome (33882588528833).

The spelling of 12320544026512 in words is "twelve trillion, three hundred twenty billion, five hundred forty-four million, twenty-six thousand, five hundred twelve".