12220225513 has 16 divisors (see below), whose sum is σ = 12934766592. Its totient is φ = 11526858000.

The previous prime is 12220225489. The next prime is 12220225517. The reversal of 12220225513 is 31552202221.

It is a cyclic number.

It is not a de Polignac number, because 12220225513 - 2¹⁷ = 12220094441 is a prime.

It is a super-2 number, since 2×12220225513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220225517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645168 + ... + 663838.

It is an arithmetic number, because the mean of its divisors is an integer number (808422912).

Almost surely, 2^12220225513 is an apocalyptic number.

It is an amenable number.

12220225513 is a deficient number, since it is larger than the sum of its proper divisors (714541079).

12220225513 is a wasteful number, since it uses less digits than its factorization.

12220225513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12220225513 its reverse (31552202221), we get a palindrome (43772427734).

The spelling of 12220225513 in words is "twelve billion, two hundred twenty million, two hundred twenty-five thousand, five hundred thirteen".