13000032122 has 72 divisors (see below), whose sum is σ = 25042317300. Its totient is φ = 5042822400.

The previous prime is 13000032121. The next prime is 13000032127. The reversal of 13000032122 is 22123000031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12175136281 + 824895841 = 110341^2 + 28721^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 13000032097 and 13000032106.

It is not an unprimeable number, because it can be changed into a prime (13000032121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2855504 + ... + 2860052.

Almost surely, 2^13000032122 is an apocalyptic number.

13000032122 is a deficient number, since it is larger than the sum of its proper divisors (12042285178).

13000032122 is a wasteful number, since it uses less digits than its factorization.

13000032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13000032122 its reverse (22123000031), we get a palindrome (35123032153).

The spelling of 13000032122 in words is "thirteen billion, thirty-two thousand, one hundred twenty-two".