13022021322212 has 36 divisors (see below), whose sum is σ = 26515536708780. Its totient is φ = 5579514307584.

The previous prime is 13022021322151. The next prime is 13022021322223. The reversal of 13022021322212 is 21222312022031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8222521840036 + 4799499482176 = 2867494^2 + 2190776^2 .

It is a super-2 number, since 2×13022021322212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7236113 + ... + 8854680.

It is an arithmetic number, because the mean of its divisors is an integer number (736542686355).

Almost surely, 2^{13022021322212} is an apocalyptic number.

It is an amenable number.

13022021322212 is an abundant number, since it is smaller than the sum of its proper divisors (13493515386568).

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

13022021322212 is a wasteful number, since it uses less digits than its factorization.

13022021322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16094940 (or 16094931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13022021322212 its reverse (21222312022031), we get a palindrome (34244333344243).

The spelling of 13022021322212 in words is "thirteen trillion, twenty-two billion, twenty-one million, three hundred twenty-two thousand, two hundred twelve".