13224201123 has 32 divisors (see below), whose sum is σ = 21284995072. Its totient is φ = 7142839200.

The previous prime is 13224201121. The next prime is 13224201127. The reversal of 13224201123 is 32110242231.

It is not a de Polignac number, because 13224201123 - 2¹ = 13224201121 is a prime.

It is a super-2 number, since 2×13224201123² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13224201123.

It is not an unprimeable number, because it can be changed into a prime (13224201121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208213 + ... + 264198.

It is an arithmetic number, because the mean of its divisors is an integer number (665156096).

Almost surely, 2^13224201123 is an apocalyptic number.

13224201123 is a deficient number, since it is larger than the sum of its proper divisors (8060793949).

13224201123 is a wasteful number, since it uses less digits than its factorization.

13224201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472495.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13224201123 its reverse (32110242231), we get a palindrome (45334443354).

The spelling of 13224201123 in words is "thirteen billion, two hundred twenty-four million, two hundred one thousand, one hundred twenty-three".