1232223311112 has 16 divisors (see below), whose sum is σ = 3080558277840. Its totient is φ = 410741103696.

The previous prime is 1232223311083. The next prime is 1232223311117. The reversal of 1232223311112 is 2111133222321.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51342637963 = 1232223311112 / (1 + 2 + 3 + 2 + 2 + 2 + 3 + 3 + 1 + 1 + 1 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1232223311117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25671318958 + ... + 25671319005.

It is an arithmetic number, because the mean of its divisors is an integer number (192534892365).

Almost surely, 2^{1232223311112} is an apocalyptic number.

1232223311112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232223311112 is an abundant number, since it is smaller than the sum of its proper divisors (1848334966728).

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

1232223311112 is a wasteful number, since it uses less digits than its factorization.

1232223311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51342637972 (or 51342637968 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 1232223311112 its reverse (2111133222321), we get a palindrome (3343356533433).

The spelling of 1232223311112 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twelve".