13120011212 has 48 divisors (see below), whose sum is σ = 28673046528. Its totient is φ = 5103198720.

The previous prime is 13120011209. The next prime is 13120011257. The reversal of 13120011212 is 21211002131.

13120011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 15 ways as a sum of consecutive naturals, for example, 151868 + ... + 222044.

It is an arithmetic number, because the mean of its divisors is an integer number (597355136).

Almost surely, 2^13120011212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13120011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14336523264).

13120011212 is an abundant number, since it is smaller than the sum of its proper divisors (15553035316).

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

13120011212 is a wasteful number, since it uses less digits than its factorization.

13120011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70806 (or 70804 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13120011212 its reverse (21211002131), we get a palindrome (34331013343).

The spelling of 13120011212 in words is "thirteen billion, one hundred twenty million, eleven thousand, two hundred twelve".