12210313332 has 72 divisors (see below), whose sum is σ = 33167842176. Its totient is φ = 3485970432.

The previous prime is 12210313277. The next prime is 12210313333. The reversal of 12210313332 is 23331301221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12210313299 and 12210313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210313333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 829428 + ... + 844020.

Almost surely, 2^12210313332 is an apocalyptic number.

12210313332 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 12210313332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16583921088).

12210313332 is an abundant number, since it is smaller than the sum of its proper divisors (20957528844).

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

12210313332 is a wasteful number, since it uses less digits than its factorization.

12210313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16037 (or 16028 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12210313332 its reverse (23331301221), we get a palindrome (35541614553).

The spelling of 12210313332 in words is "twelve billion, two hundred ten million, three hundred thirteen thousand, three hundred thirty-two".