1232112120312 has 192 divisors, whose sum is σ = 3268426475520. Its totient is φ = 386603559936.

The previous prime is 1232112120307. The next prime is 1232112120319. The reversal of 1232112120312 is 2130212112321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232112120319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330588993 + ... + 330592719.

It is an arithmetic number, because the mean of its divisors is an integer number (17023054560).

Almost surely, 2^{1232112120312} is an apocalyptic number.

1232112120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232112120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634213237760).

1232112120312 is an abundant number, since it is smaller than the sum of its proper divisors (2036314355208).

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

1232112120312 is a wasteful number, since it uses less digits than its factorization.

1232112120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 3905 counting only the distinct ones).

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

Adding to 1232112120312 its reverse (2130212112321), we get a palindrome (3362324232633).

The spelling of 1232112120312 in words is "one trillion, two hundred thirty-two billion, one hundred twelve million, one hundred twenty thousand, three hundred twelve".