1123422111312 has 40 divisors (see below), whose sum is σ = 2909067364320. Its totient is φ = 373584543360.

The previous prime is 1123422111307. The next prime is 1123422111323. The reversal of 1123422111312 is 2131112243211.

It is a super-2 number, since 2×1123422111312² (a number of 25 digits) contains 22 as substring.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27776262 + ... + 27816677.

It is an arithmetic number, because the mean of its divisors is an integer number (72726684108).

Almost surely, 2^{1123422111312} is an apocalyptic number.

1123422111312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123422111312 is an abundant number, since it is smaller than the sum of its proper divisors (1785645253008).

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

1123422111312 is a wasteful number, since it uses less digits than its factorization.

1123422111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55593371 (or 55593365 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 1123422111312 its reverse (2131112243211), we get a palindrome (3254534354523).

The spelling of 1123422111312 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-two million, one hundred eleven thousand, three hundred twelve".