13221403002125 has 16 divisors (see below), whose sum is σ = 16501412357040. Its totient is φ = 10576416369600.

The previous prime is 13221403002107. The next prime is 13221403002127. The reversal of 13221403002125 is 52120030412231.

It can be written as a sum of positive squares in 8 ways, for example, as 407967070729 + 12813435931396 = 638723^2 + 3579586^2 .

It is not a de Polignac number, because 13221403002125 - 2¹⁰ = 13221403001101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221403002094 and 13221403002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221403002127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646030 + ... + 5399279.

It is an arithmetic number, because the mean of its divisors is an integer number (1031338272315).

Almost surely, 2^{13221403002125} is an apocalyptic number.

It is an amenable number.

13221403002125 is a deficient number, since it is larger than the sum of its proper divisors (3280009354915).

13221403002125 is an equidigital number, since it uses as much as digits as its factorization.

13221403002125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060337 (or 7060327 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13221403002125 its reverse (52120030412231), we get a palindrome (65341433414356).

The spelling of 13221403002125 in words is "thirteen trillion, two hundred twenty-one billion, four hundred three million, two thousand, one hundred twenty-five".