1232220101112 has 768 divisors, whose sum is σ = 4630236549120. Its totient is φ = 285684019200.

The previous prime is 1232220101111. The next prime is 1232220101129. The reversal of 1232220101112 is 2111010222321.

1232220101112 is a `hidden beast` number, since 1 + 232 + 220 + 101 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232220101111) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 461331537 + ... + 461334207.

It is an arithmetic number, because the mean of its divisors is an integer number (6028953840).

Almost surely, 2^{1232220101112} is an apocalyptic number.

1232220101112 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 1232220101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315118274560).

1232220101112 is an abundant number, since it is smaller than the sum of its proper divisors (3398016448008).

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

1232220101112 is a wasteful number, since it uses less digits than its factorization.

1232220101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2917 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1232220101112 its reverse (2111010222321), we get a palindrome (3343230323433).

The spelling of 1232220101112 in words is "one trillion, two hundred thirty-two billion, two hundred twenty million, one hundred one thousand, one hundred twelve".