13212143322 has 96 divisors (see below), whose sum is σ = 32274381312. Its totient is φ = 3588320736.

The previous prime is 13212143291. The next prime is 13212143339. The reversal of 13212143322 is 22334121231.

It is a super-2 number, since 2×13212143322² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212143292 and 13212143301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096213 + ... + 1108199.

It is an arithmetic number, because the mean of its divisors is an integer number (336191472).

Almost surely, 2^13212143322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212143322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16137190656).

13212143322 is an abundant number, since it is smaller than the sum of its proper divisors (19062237990).

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

13212143322 is a wasteful number, since it uses less digits than its factorization.

13212143322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192 (or 12185 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 13212143322 its reverse (22334121231), we get a palindrome (35546264553).

The spelling of 13212143322 in words is "thirteen billion, two hundred twelve million, one hundred forty-three thousand, three hundred twenty-two".