12042222122 has 32 divisors (see below), whose sum is σ = 20867535360. Its totient is φ = 5105116800.

The previous prime is 12042222083. The next prime is 12042222151. The reversal of 12042222122 is 22122224021.

It is a super-3 number, since 3×12042222122³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12042222094 and 12042222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819343 + ... + 1825949.

It is an arithmetic number, because the mean of its divisors is an integer number (652110480).

Almost surely, 2^12042222122 is an apocalyptic number.

12042222122 is a deficient number, since it is larger than the sum of its proper divisors (8825313238).

12042222122 is a wasteful number, since it uses less digits than its factorization.

12042222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006.

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

Adding to 12042222122 its reverse (22122224021), we get a palindrome (34164446143).

The spelling of 12042222122 in words is "twelve billion, forty-two million, two hundred twenty-two thousand, one hundred twenty-two".