13211212122 has 24 divisors (see below), whose sum is σ = 28657649280. Its totient is φ = 4398605640.

The previous prime is 13211212043. The next prime is 13211212153. The reversal of 13211212122 is 22121211231.

13211212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13211212122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13211212095 and 13211212104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411754 + ... + 442677.

It is an arithmetic number, because the mean of its divisors is an integer number (1194068720).

Almost surely, 2^13211212122 is an apocalyptic number.

13211212122 is an abundant number, since it is smaller than the sum of its proper divisors (15446437158).

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

13211212122 is a wasteful number, since it uses less digits than its factorization.

13211212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855298 (or 855295 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 13211212122 its reverse (22121211231), we get a palindrome (35332423353).

The spelling of 13211212122 in words is "thirteen billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty-two".