12012313332 has 96 divisors (see below), whose sum is σ = 29551826304. Its totient is φ = 3793305600.

The previous prime is 12012313319. The next prime is 12012313337. The reversal of 12012313332 is 23331321021.

It is a super-2 number, since 2×12012313332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012313299 and 12012313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012313337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3827668 + ... + 3830804.

It is an arithmetic number, because the mean of its divisors is an integer number (307831524).

Almost surely, 2^12012313332 is an apocalyptic number.

12012313332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012313332 is an abundant number, since it is smaller than the sum of its proper divisors (17539512972).

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

12012313332 is a wasteful number, since it uses less digits than its factorization.

12012313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

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

Adding to 12012313332 its reverse (23331321021), we get a palindrome (35343634353).

The spelling of 12012313332 in words is "twelve billion, twelve million, three hundred thirteen thousand, three hundred thirty-two".