13022021211212 has 72 divisors (see below), whose sum is σ = 24754975030800. Its totient is φ = 5991034503168.

The previous prime is 13022021211211. The next prime is 13022021211289. The reversal of 13022021211212 is 21211212022031.

It is not an unprimeable number, because it can be changed into a prime (13022021211211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389549243 + ... + 389582669.

It is an arithmetic number, because the mean of its divisors is an integer number (343819097650).

Almost surely, 2^{13022021211212} is an apocalyptic number.

It is an amenable number.

13022021211212 is a deficient number, since it is larger than the sum of its proper divisors (11732953819588).

13022021211212 is a wasteful number, since it uses less digits than its factorization.

13022021211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35275 (or 35260 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13022021211212 its reverse (21211212022031), we get a palindrome (34233233233243).

The spelling of 13022021211212 in words is "thirteen trillion, twenty-two billion, twenty-one million, two hundred eleven thousand, two hundred twelve".