13000222122212 has 12 divisors (see below), whose sum is σ = 24500418615036. Its totient is φ = 6000102517920.

The previous prime is 13000222122187. The next prime is 13000222122359. The reversal of 13000222122212 is 21222122200031.

It can be written as a sum of positive squares in 2 ways, for example, as 5198792167396 + 7801429954816 = 2280086^2 + 2793104^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125002135739 + ... + 125002135842.

It is an arithmetic number, because the mean of its divisors is an integer number (2041701551253).

Almost surely, 2^{13000222122212} is an apocalyptic number.

It is an amenable number.

13000222122212 is a deficient number, since it is larger than the sum of its proper divisors (11500196492824).

13000222122212 is a wasteful number, since it uses less digits than its factorization.

13000222122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250004271598 (or 250004271596 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13000222122212 its reverse (21222122200031), we get a palindrome (34222344322243).

The spelling of 13000222122212 in words is "thirteen trillion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".