13122262321 has 16 divisors (see below), whose sum is σ = 15074002944. Its totient is φ = 11189880144.

The previous prime is 13122262303. The next prime is 13122262331. The reversal of 13122262321 is 12326222131.

It is a cyclic number.

It is not a de Polignac number, because 13122262321 - 2¹¹ = 13122260273 is a prime.

It is a super-2 number, since 2×13122262321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13122262331) 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, 3276106 + ... + 3280108.

It is an arithmetic number, because the mean of its divisors is an integer number (942125184).

Almost surely, 2^13122262321 is an apocalyptic number.

It is an amenable number.

13122262321 is a deficient number, since it is larger than the sum of its proper divisors (1951740623).

13122262321 is a wasteful number, since it uses less digits than its factorization.

13122262321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300.

The product of its digits is 1728, while the sum is 25.

Adding to 13122262321 its reverse (12326222131), we get a palindrome (25448484452).

The spelling of 13122262321 in words is "thirteen billion, one hundred twenty-two million, two hundred sixty-two thousand, three hundred twenty-one".