13203261612 has 36 divisors (see below), whose sum is σ = 33378672600. Its totient is φ = 4400591232.

The previous prime is 13203261569. The next prime is 13203261641. The reversal of 13203261612 is 21616230231.

13203261612 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 32 + 616 + 12 = 666.

13203261612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13203261612² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 450148 + ... + 478580.

It is an arithmetic number, because the mean of its divisors is an integer number (927185350).

Almost surely, 2^13203261612 is an apocalyptic number.

13203261612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13203261612 is an abundant number, since it is smaller than the sum of its proper divisors (20175410988).

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

13203261612 is a wasteful number, since it uses less digits than its factorization.

13203261612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41342 (or 41337 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13203261612 its reverse (21616230231), we get a palindrome (34819491843).

The spelling of 13203261612 in words is "thirteen billion, two hundred three million, two hundred sixty-one thousand, six hundred twelve".