13312201212 has 36 divisors (see below), whose sum is σ = 33670316680. Its totient is φ = 4434759072.

The previous prime is 13312201183. The next prime is 13312201241. The reversal of 13312201212 is 21210221331.

13312201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13312201183) and next prime (13312201241).

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

It is a super-2 number, since 2×13312201212² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48262 + ... + 170157.

Almost surely, 2^13312201212 is an apocalyptic number.

13312201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13312201212 is an abundant number, since it is smaller than the sum of its proper divisors (20358115468).

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

13312201212 is a wasteful number, since it uses less digits than its factorization.

13312201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220122 (or 220117 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13312201212 its reverse (21210221331), we get a palindrome (34522422543).

The spelling of 13312201212 in words is "thirteen billion, three hundred twelve million, two hundred one thousand, two hundred twelve".