4212443222122 has 4 divisors (see below), whose sum is σ = 6318664833186. Its totient is φ = 2106221611060.

The previous prime is 4212443222093. The next prime is 4212443222123. The reversal of 4212443222122 is 2212223442124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4138779291201 + 73663930921 = 2034399^2 + 271411^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4212443222123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053110805529 + ... + 1053110805532.

Almost surely, 2^{4212443222122} is an apocalyptic number.

4212443222122 is a deficient number, since it is larger than the sum of its proper divisors (2106221611064).

4212443222122 is a wasteful number, since it uses less digits than its factorization.

4212443222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106221611063.

The product of its digits is 24576, while the sum is 31.

Adding to 4212443222122 its reverse (2212223442124), we get a palindrome (6424666664246).

The spelling of 4212443222122 in words is "four trillion, two hundred twelve billion, four hundred forty-three million, two hundred twenty-two thousand, one hundred twenty-two".