12320543663354 has 4 divisors (see below), whose sum is σ = 18480815495034. Its totient is φ = 6160271831676.

The previous prime is 12320543663321. The next prime is 12320543663359. The reversal of 12320543663354 is 45336634502321.

12320543663354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11515265362225 + 805278301129 = 3393415^2 + 897373^2 .

It is a super-2 number, since 2×12320543663354² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12320543663299 and 12320543663308.

It is not an unprimeable number, because it can be changed into a prime (12320543663359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080135915837 + ... + 3080135915840.

Almost surely, 2^{12320543663354} is an apocalyptic number.

12320543663354 is a deficient number, since it is larger than the sum of its proper divisors (6160271831680).

12320543663354 is an equidigital number, since it uses as much as digits as its factorization.

12320543663354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160271831679.

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 12320543663354 in words is "twelve trillion, three hundred twenty billion, five hundred forty-three million, six hundred sixty-three thousand, three hundred fifty-four".