13220101218 has 32 divisors (see below), whose sum is σ = 27300413952. Its totient is φ = 4263408000.

The previous prime is 13220101217. The next prime is 13220101277. The reversal of 13220101218 is 81210102231.

It is a junction number, because it is equal to n+sod(n) for n = 13220101194 and 13220101203.

It is not an unprimeable number, because it can be changed into a prime (13220101217) 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, 944068 + ... + 957968.

It is an arithmetic number, because the mean of its divisors is an integer number (853137936).

Almost surely, 2^13220101218 is an apocalyptic number.

13220101218 is an abundant number, since it is smaller than the sum of its proper divisors (14080312734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220101218 is a wasteful number, since it uses less digits than its factorization.

13220101218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 13220101218 its reverse (81210102231), we get a palindrome (94430203449).

The spelling of 13220101218 in words is "thirteen billion, two hundred twenty million, one hundred one thousand, two hundred eighteen".