12011423422 has 8 divisors (see below), whose sum is σ = 18070599456. Its totient is φ = 5987890272.

The previous prime is 12011423419. The next prime is 12011423449. The reversal of 12011423422 is 22432411021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12011423393 and 12011423402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8909878 + ... + 8911225.

It is an arithmetic number, because the mean of its divisors is an integer number (2258824932).

Almost surely, 2^12011423422 is an apocalyptic number.

12011423422 is a deficient number, since it is larger than the sum of its proper divisors (6059176034).

12011423422 is a wasteful number, since it uses less digits than its factorization.

12011423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821442.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12011423422 its reverse (22432411021), we get a palindrome (34443834443).

The spelling of 12011423422 in words is "twelve billion, eleven million, four hundred twenty-three thousand, four hundred twenty-two".