12222001022 has 16 divisors (see below), whose sum is σ = 22856729472. Its totient is φ = 4761818520.

The previous prime is 12222001003. The next prime is 12222001037. The reversal of 12222001022 is 22010022221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12222000988 and 12222001006.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 39681668 + ... + 39681975.

It is an arithmetic number, because the mean of its divisors is an integer number (1428545592).

Almost surely, 2^12222001022 is an apocalyptic number.

12222001022 is a deficient number, since it is larger than the sum of its proper divisors (10634728450).

12222001022 is a wasteful number, since it uses less digits than its factorization.

12222001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79363663.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222001022 its reverse (22010022221), we get a palindrome (34232023243).

The spelling of 12222001022 in words is "twelve billion, two hundred twenty-two million, one thousand, twenty-two".