13011222122 has 8 divisors (see below), whose sum is σ = 19517366016. Its totient is φ = 6505433452.

The previous prime is 13011222089. The next prime is 13011222163. The reversal of 13011222122 is 22122211031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13011222122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13011222122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40313 + ... + 166275.

It is an arithmetic number, because the mean of its divisors is an integer number (2439670752).

Almost surely, 2^13011222122 is an apocalyptic number.

13011222122 is a deficient number, since it is larger than the sum of its proper divisors (6506143894).

13011222122 is a wasteful number, since it uses less digits than its factorization.

13011222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177612.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13011222122 its reverse (22122211031), we get a palindrome (35133433153).

The spelling of 13011222122 in words is "thirteen billion, eleven million, two hundred twenty-two thousand, one hundred twenty-two".