13201211223 has 16 divisors (see below), whose sum is σ = 19674466560. Its totient is φ = 8748105048.

The previous prime is 13201211203. The next prime is 13201211291. The reversal of 13201211223 is 32211210231.

13201211223 is a `hidden beast` number, since 1 + 320 + 121 + 1 + 223 = 666.

It is not a de Polignac number, because 13201211223 - 2¹³ = 13201203031 is a prime.

It is a super-2 number, since 2×13201211223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13201211196 and 13201211205.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459365 + ... + 1468382.

It is an arithmetic number, because the mean of its divisors is an integer number (1229654160).

Almost surely, 2^13201211223 is an apocalyptic number.

13201211223 is a deficient number, since it is larger than the sum of its proper divisors (6473255337).

13201211223 is a wasteful number, since it uses less digits than its factorization.

13201211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927923 (or 2927917 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13201211223 its reverse (32211210231), we get a palindrome (45412421454).

The spelling of 13201211223 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, two hundred twenty-three".