13205206224012 has 96 divisors (see below), whose sum is σ = 35180666486784. Its totient is φ = 3816031982400.

The previous prime is 13205206223969. The next prime is 13205206224061. The reversal of 13205206224012 is 21042260250231.

It is a super-2 number, since 2×13205206224012² (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 31 ways as a sum of consecutive naturals, for example, 5565388 + ... + 7575219.

It is an arithmetic number, because the mean of its divisors is an integer number (366465275904).

Almost surely, 2^{13205206224012} is an apocalyptic number.

13205206224012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13205206224012 is an abundant number, since it is smaller than the sum of its proper divisors (21975460262772).

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

13205206224012 is a wasteful number, since it uses less digits than its factorization.

13205206224012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140979 (or 13140977 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 13205206224012 its reverse (21042260250231), we get a palindrome (34247466474243).

The spelling of 13205206224012 in words is "thirteen trillion, two hundred five billion, two hundred six million, two hundred twenty-four thousand, twelve".