13213201110123 has 32 divisors (see below), whose sum is σ = 20829235392000. Its totient is φ = 7289851597056.

The previous prime is 13213201110103. The next prime is 13213201110173. The reversal of 13213201110123 is 32101110231231.

It is not a de Polignac number, because 13213201110123 - 2⁶ = 13213201110059 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13213201110123.

It is not an unprimeable number, because it can be changed into a prime (13213201110103) 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, 24888415 + ... + 25413767.

It is an arithmetic number, because the mean of its divisors is an integer number (650913606000).

Almost surely, 2^{13213201110123} is an apocalyptic number.

13213201110123 is a deficient number, since it is larger than the sum of its proper divisors (7616034281877).

13213201110123 is a wasteful number, since it uses less digits than its factorization.

13213201110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566691.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13213201110123 its reverse (32101110231231), we get a palindrome (45314311341354).

The spelling of 13213201110123 in words is "thirteen trillion, two hundred thirteen billion, two hundred one million, one hundred ten thousand, one hundred twenty-three".