12211010002222 has 4 divisors (see below), whose sum is σ = 18316515003336. Its totient is φ = 6105505001110.

The previous prime is 12211010002189. The next prime is 12211010002237. The reversal of 12211010002222 is 22220001011221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12211010002196 and 12211010002205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052752500554 + ... + 3052752500557.

It is an arithmetic number, because the mean of its divisors is an integer number (4579128750834).

Almost surely, 2^{12211010002222} is an apocalyptic number.

12211010002222 is a deficient number, since it is larger than the sum of its proper divisors (6105505001114).

12211010002222 is an equidigital number, since it uses as much as digits as its factorization.

12211010002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105505001113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12211010002222 its reverse (22220001011221), we get a palindrome (34431011013443).

The spelling of 12211010002222 in words is "twelve trillion, two hundred eleven billion, ten million, two thousand, two hundred twenty-two".