13210212312 has 96 divisors (see below), whose sum is σ = 39085562880. Its totient is φ = 3997414080.

The previous prime is 13210212299. The next prime is 13210212331. The reversal of 13210212312 is 21321201231.

13210212312 is a `hidden beast` number, since 132 + 10 + 212 + 312 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564313 + ... + 587255.

It is an arithmetic number, because the mean of its divisors is an integer number (407141280).

Almost surely, 2^13210212312 is an apocalyptic number.

13210212312 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 13210212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19542781440).

13210212312 is an abundant number, since it is smaller than the sum of its proper divisors (25875350568).

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

13210212312 is a wasteful number, since it uses less digits than its factorization.

13210212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23693 (or 23686 counting only the distinct ones).

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

Adding to 13210212312 its reverse (21321201231), we get a palindrome (34531413543).

It can be divided in two parts, 13210 and 212312, that added together give a palindrome (225522).

The spelling of 13210212312 in words is "thirteen billion, two hundred ten million, two hundred twelve thousand, three hundred twelve".