12031211120232 has 32 divisors (see below), whose sum is σ = 30078149460480. Its totient is φ = 4010387485440.

The previous prime is 12031211120057. The next prime is 12031211120239. The reversal of 12031211120232 is 23202111213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031211120199 and 12031211120208.

It is not an unprimeable number, because it can be changed into a prime (12031211120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6046848 + ... + 7786320.

It is an arithmetic number, because the mean of its divisors is an integer number (939942170640).

Almost surely, 2^{12031211120232} is an apocalyptic number.

12031211120232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031211120232 is an abundant number, since it is smaller than the sum of its proper divisors (18046938340248).

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

12031211120232 is a wasteful number, since it uses less digits than its factorization.

12031211120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027673 (or 2027669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12031211120232 its reverse (23202111213021), we get a palindrome (35233322333253).

The spelling of 12031211120232 in words is "twelve trillion, thirty-one billion, two hundred eleven million, one hundred twenty thousand, two hundred thirty-two".