1223202110112 has 192 divisors, whose sum is σ = 3605062930560. Its totient is φ = 403482580992.

The previous prime is 1223202110111. The next prime is 1223202110129. The reversal of 1223202110112 is 2110112023221.

1223202110112 is a `hidden beast` number, since 1 + 22 + 320 + 211 + 0 + 112 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1223202110111) 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 31 ways as a sum of consecutive naturals, for example, 32795218 + ... + 32832494.

It is an arithmetic number, because the mean of its divisors is an integer number (18776369430).

Almost surely, 2^{1223202110112} is an apocalyptic number.

1223202110112 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 1223202110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802531465280).

1223202110112 is an abundant number, since it is smaller than the sum of its proper divisors (2381860820448).

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

1223202110112 is a wasteful number, since it uses less digits than its factorization.

1223202110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37692 (or 37678 counting only the distinct ones).

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

Adding to 1223202110112 its reverse (2110112023221), we get a palindrome (3333314133333).

The spelling of 1223202110112 in words is "one trillion, two hundred twenty-three billion, two hundred two million, one hundred ten thousand, one hundred twelve".