12042021422 has 32 divisors (see below), whose sum is σ = 19023400800. Its totient is φ = 5708606848.

The previous prime is 12042021413. The next prime is 12042021437. The reversal of 12042021422 is 22412024021.

12042021422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12042021422³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042021394 and 12042021403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107868 + ... + 5110224.

It is an arithmetic number, because the mean of its divisors is an integer number (594481275).

Almost surely, 2^12042021422 is an apocalyptic number.

12042021422 is a deficient number, since it is larger than the sum of its proper divisors (6981379378).

12042021422 is a wasteful number, since it uses less digits than its factorization.

12042021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12042021422 its reverse (22412024021), we get a palindrome (34454045443).

The spelling of 12042021422 in words is "twelve billion, forty-two million, twenty-one thousand, four hundred twenty-two".