12212431332 has 24 divisors (see below), whose sum is σ = 28497823872. Its totient is φ = 4070503200.

The previous prime is 12212431331. The next prime is 12212431351. The reversal of 12212431332 is 23313421221.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12212431331) 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, 174357 + ... + 234147.

It is an arithmetic number, because the mean of its divisors is an integer number (1187409328).

Almost surely, 2^12212431332 is an apocalyptic number.

12212431332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212431332 is an abundant number, since it is smaller than the sum of its proper divisors (16285392540).

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

12212431332 is a wasteful number, since it uses less digits than its factorization.

12212431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76819 (or 76817 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 12212431332 its reverse (23313421221), we get a palindrome (35525852553).

The spelling of 12212431332 in words is "twelve billion, two hundred twelve million, four hundred thirty-one thousand, three hundred thirty-two".