12144220022 has 8 divisors (see below), whose sum is σ = 19872360072. Its totient is φ = 5520100000.

The previous prime is 12144220021. The next prime is 12144220027. The reversal of 12144220022 is 22002244121.

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 = 12144219976 and 12144220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144220021) 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, 276004979 + ... + 276005022.

It is an arithmetic number, because the mean of its divisors is an integer number (2484045009).

Almost surely, 2^12144220022 is an apocalyptic number.

12144220022 is a deficient number, since it is larger than the sum of its proper divisors (7728140050).

12144220022 is a wasteful number, since it uses less digits than its factorization.

12144220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552010014.

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

Adding to 12144220022 its reverse (22002244121), we get a palindrome (34146464143).

The spelling of 12144220022 in words is "twelve billion, one hundred forty-four million, two hundred twenty thousand, twenty-two".