12055111422 has 32 divisors (see below), whose sum is σ = 24950191104. Its totient is φ = 3879024000.

The previous prime is 12055111421. The next prime is 12055111427. The reversal of 12055111422 is 22411155021.

It is a happy number.

It is a super-2 number, since 2×12055111422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12055111392 and 12055111401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6228 + ... + 155399.

It is an arithmetic number, because the mean of its divisors is an integer number (779693472).

Almost surely, 2^12055111422 is an apocalyptic number.

12055111422 is an abundant number, since it is smaller than the sum of its proper divisors (12895079682).

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

12055111422 is a wasteful number, since it uses less digits than its factorization.

12055111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162064.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12055111422 its reverse (22411155021), we get a palindrome (34466266443).

The spelling of 12055111422 in words is "twelve billion, fifty-five million, one hundred eleven thousand, four hundred twenty-two".