13456203512 has 16 divisors (see below), whose sum is σ = 25912284360. Its totient is φ = 6546261024.

The previous prime is 13456203469. The next prime is 13456203517. The reversal of 13456203512 is 21530265431.

It is a happy number.

13456203512 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 2×13456203512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456203517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22729778 + ... + 22730369.

Almost surely, 2^13456203512 is an apocalyptic number.

It is an amenable number.

13456203512 is a deficient number, since it is larger than the sum of its proper divisors (12456080848).

13456203512 is a wasteful number, since it uses less digits than its factorization.

13456203512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45460190 (or 45460186 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 13456203512 its reverse (21530265431), we get a palindrome (34986468943).

The spelling of 13456203512 in words is "thirteen billion, four hundred fifty-six million, two hundred three thousand, five hundred twelve".