12001002202222 has 12 divisors (see below), whose sum is σ = 19786776358608. Its totient is φ = 5455001000900.

The previous prime is 12001002202219. The next prime is 12001002202229. The reversal of 12001002202222 is 22220220010021.

It is a junction number, because it is equal to n+sod(n) for n = 12001002202196 and 12001002202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001002202229) 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 in 5 ways as a sum of consecutive naturals, for example, 24795458854 + ... + 24795459337.

It is an arithmetic number, because the mean of its divisors is an integer number (1648898029884).

Almost surely, 2^{12001002202222} is an apocalyptic number.

12001002202222 is a deficient number, since it is larger than the sum of its proper divisors (7785774156386).

12001002202222 is a wasteful number, since it uses less digits than its factorization.

12001002202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49590918215 (or 49590918204 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12001002202222 its reverse (22220220010021), we get a palindrome (34221222212243).

The spelling of 12001002202222 in words is "twelve trillion, one billion, two million, two hundred two thousand, two hundred twenty-two".