13311310212 has 36 divisors (see below), whose sum is σ = 33655479676. Its totient is φ = 4436121600.

The previous prime is 13311310171. The next prime is 13311310219. The reversal of 13311310212 is 21201311331.

13311310212 is a `hidden beast` number, since 1 + 331 + 1 + 310 + 21 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10704799296 + 2606510916 = 103464^2 + 51054^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (13311310219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134328 + ... + 211344.

Almost surely, 2^13311310212 is an apocalyptic number.

13311310212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13311310212 is an abundant number, since it is smaller than the sum of its proper divisors (20344169464).

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

13311310212 is a wasteful number, since it uses less digits than its factorization.

13311310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81828 (or 81823 counting only the distinct ones).

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

Adding to 13311310212 its reverse (21201311331), we get a palindrome (34512621543).

The spelling of 13311310212 in words is "thirteen billion, three hundred eleven million, three hundred ten thousand, two hundred twelve".