12212103422 has 4 divisors (see below), whose sum is σ = 18318155136. Its totient is φ = 6106051710.

The previous prime is 12212103419. The next prime is 12212103427. The reversal of 12212103422 is 22430121221.

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

It is a super-2 number, since 2×12212103422² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212103394 and 12212103403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212103427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053025854 + ... + 3053025857.

It is an arithmetic number, because the mean of its divisors is an integer number (4579538784).

Almost surely, 2^12212103422 is an apocalyptic number.

12212103422 is a deficient number, since it is larger than the sum of its proper divisors (6106051714).

12212103422 is an equidigital number, since it uses as much as digits as its factorization.

12212103422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106051713.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12212103422 its reverse (22430121221), we get a palindrome (34642224643).

The spelling of 12212103422 in words is "twelve billion, two hundred twelve million, one hundred three thousand, four hundred twenty-two".