13211022223212 has 48 divisors (see below), whose sum is σ = 33628813473024. Its totient is φ = 4003249960000.

The previous prime is 13211022223193. The next prime is 13211022223213. The reversal of 13211022223212 is 21232222011231.

13211022223212 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 2×13211022223212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13211022223213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4881337 + ... + 7088687.

It is an arithmetic number, because the mean of its divisors is an integer number (700600280688).

Almost surely, 2^{13211022223212} is an apocalyptic number.

13211022223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13211022223212 is an abundant number, since it is smaller than the sum of its proper divisors (20417791249812).

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

13211022223212 is a wasteful number, since it uses less digits than its factorization.

13211022223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252710 (or 2252708 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13211022223212 its reverse (21232222011231), we get a palindrome (34443244234443).

It can be divided in two parts, 132110 and 22223212, that added together give a palindrome (22355322).

The spelling of 13211022223212 in words is "thirteen trillion, two hundred eleven billion, twenty-two million, two hundred twenty-three thousand, two hundred twelve".