12221034122 has 12 divisors (see below), whose sum is σ = 20149556658. Its totient is φ = 5555015400.

The previous prime is 12221034109. The next prime is 12221034127. The reversal of 12221034122 is 22143012221.

12221034122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11359083241 + 861950881 = 106579^2 + 29359^2 .

It is a super-2 number, since 2×12221034122² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12221034094 and 12221034103.

It is not an unprimeable number, because it can be changed into a prime (12221034127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25249829 + ... + 25250312.

Almost surely, 2^12221034122 is an apocalyptic number.

12221034122 is a deficient number, since it is larger than the sum of its proper divisors (7928522536).

12221034122 is a wasteful number, since it uses less digits than its factorization.

12221034122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500165 (or 50500154 counting only the distinct ones).

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

Adding to 12221034122 its reverse (22143012221), we get a palindrome (34364046343).

The spelling of 12221034122 in words is "twelve billion, two hundred twenty-one million, thirty-four thousand, one hundred twenty-two".