13220211015 has 32 divisors (see below), whose sum is σ = 25639200000. Its totient is φ = 6409798560.

The previous prime is 13220210893. The next prime is 13220211019. The reversal of 13220211015 is 51011202231.

It is not a de Polignac number, because 13220211015 - 2¹⁶ = 13220145479 is a prime.

It is a super-2 number, since 2×13220211015² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220211019) 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 31 ways as a sum of consecutive naturals, for example, 4449765 + ... + 4452734.

It is an arithmetic number, because the mean of its divisors is an integer number (801225000).

Almost surely, 2^13220211015 is an apocalyptic number.

13220211015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13220211015 is a deficient number, since it is larger than the sum of its proper divisors (12418988985).

13220211015 is a wasteful number, since it uses less digits than its factorization.

13220211015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8902524 (or 8902518 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 13220211015 its reverse (51011202231), we get a palindrome (64231413246).

The spelling of 13220211015 in words is "thirteen billion, two hundred twenty million, two hundred eleven thousand, fifteen".