12012230321232 has 20 divisors (see below), whose sum is σ = 31031594996640. Its totient is φ = 4004076773728.

The previous prime is 12012230321191. The next prime is 12012230321293. The reversal of 12012230321232 is 23212303221021.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 125127399132 + ... + 125127399227.

It is an arithmetic number, because the mean of its divisors is an integer number (1551579749832).

Almost surely, 2^{12012230321232} is an apocalyptic number.

12012230321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012230321232 is an abundant number, since it is smaller than the sum of its proper divisors (19019364675408).

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

12012230321232 is a wasteful number, since it uses less digits than its factorization.

12012230321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250254798370 (or 250254798364 counting only the distinct ones).

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

Adding to 12012230321232 its reverse (23212303221021), we get a palindrome (35224533542253).

The spelling of 12012230321232 in words is "twelve trillion, twelve billion, two hundred thirty million, three hundred twenty-one thousand, two hundred thirty-two".