12442422212 has 24 divisors (see below), whose sum is σ = 23797667712. Its totient is φ = 5645181600.

The previous prime is 12442422191. The next prime is 12442422221. The reversal of 12442422212 is 21222424421.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237548 + ... + 285155.

It is an arithmetic number, because the mean of its divisors is an integer number (991569488).

Almost surely, 2^12442422212 is an apocalyptic number.

It is an amenable number.

12442422212 is a deficient number, since it is larger than the sum of its proper divisors (11355245500).

12442422212 is a wasteful number, since it uses less digits than its factorization.

12442422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523259 (or 523257 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

Adding to 12442422212 its reverse (21222424421), we get a palindrome (33664846633).

The spelling of 12442422212 in words is "twelve billion, four hundred forty-two million, four hundred twenty-two thousand, two hundred twelve".