13310311212 has 108 divisors (see below), whose sum is σ = 37504001808. Its totient is φ = 3976526400.

The previous prime is 13310311171. The next prime is 13310311229. The reversal of 13310311212 is 21211301331.

13310311212 is a `hidden beast` number, since 1 + 331 + 0 + 311 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 287758 + ... + 330794.

It is an arithmetic number, because the mean of its divisors is an integer number (347259276).

Almost surely, 2^13310311212 is an apocalyptic number.

13310311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13310311212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18752000904).

13310311212 is an abundant number, since it is smaller than the sum of its proper divisors (24193690596).

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

13310311212 is a wasteful number, since it uses less digits than its factorization.

13310311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43140 (or 43124 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13310311212 its reverse (21211301331), we get a palindrome (34521612543).

The spelling of 13310311212 in words is "thirteen billion, three hundred ten million, three hundred eleven thousand, two hundred twelve".