13313122212 has 48 divisors (see below), whose sum is σ = 35421345792. Its totient is φ = 3855383040.

The previous prime is 13313122171. The next prime is 13313122213. The reversal of 13313122212 is 21222131331.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13313122213) 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, 2507364 + ... + 2512667.

It is an arithmetic number, because the mean of its divisors is an integer number (737944704).

Almost surely, 2^13313122212 is an apocalyptic number.

13313122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313122212 is an abundant number, since it is smaller than the sum of its proper divisors (22108223580).

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

13313122212 is a wasteful number, since it uses less digits than its factorization.

13313122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020068 (or 5020066 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 13313122212 its reverse (21222131331), we get a palindrome (34535253543).

The spelling of 13313122212 in words is "thirteen billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twelve".