12132342312 has 64 divisors (see below), whose sum is σ = 32122068480. Its totient is φ = 3810535872.

The previous prime is 12132342239. The next prime is 12132342359. The reversal of 12132342312 is 21324323121.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127038 + ... + 201005.

It is an arithmetic number, because the mean of its divisors is an integer number (501907320).

Almost surely, 2^12132342312 is an apocalyptic number.

12132342312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12132342312 is an abundant number, since it is smaller than the sum of its proper divisors (19989726168).

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

12132342312 is a wasteful number, since it uses less digits than its factorization.

12132342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328142 (or 328138 counting only the distinct ones).

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

Adding to 12132342312 its reverse (21324323121), we get a palindrome (33456665433).

The spelling of 12132342312 in words is "twelve billion, one hundred thirty-two million, three hundred forty-two thousand, three hundred twelve".