13201211205 has 48 divisors (see below), whose sum is σ = 28162592640. Its totient is φ = 5570619264.

The previous prime is 13201211203. The next prime is 13201211291. The reversal of 13201211205 is 50211210231.

It is not a de Polignac number, because 13201211205 - 2¹ = 13201211203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1607775 + ... + 1615964.

It is an arithmetic number, because the mean of its divisors is an integer number (586720680).

Almost surely, 2^13201211205 is an apocalyptic number.

13201211205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13201211205 is an abundant number, since it is smaller than the sum of its proper divisors (14961381435).

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

13201211205 is a wasteful number, since it uses less digits than its factorization.

13201211205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223770 (or 3223767 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 13201211205 its reverse (50211210231), we get a palindrome (63412421436).

The spelling of 13201211205 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, two hundred five".