12120331332 has 24 divisors (see below), whose sum is σ = 28679095872. Its totient is φ = 3983207200.

The previous prime is 12120331331. The next prime is 12120331337. The reversal of 12120331332 is 23313302121.

It is a super-3 number, since 3×12120331332³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12120331299 and 12120331308.

It is not an unprimeable number, because it can be changed into a prime (12120331331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112019 + ... + 7113722.

It is an arithmetic number, because the mean of its divisors is an integer number (1194962328).

Almost surely, 2^12120331332 is an apocalyptic number.

12120331332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120331332 is an abundant number, since it is smaller than the sum of its proper divisors (16558764540).

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

12120331332 is a wasteful number, since it uses less digits than its factorization.

12120331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14225819 (or 14225817 counting only the distinct ones).

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

Adding to 12120331332 its reverse (23313302121), we get a palindrome (35433633453).

The spelling of 12120331332 in words is "twelve billion, one hundred twenty million, three hundred thirty-one thousand, three hundred thirty-two".