12211010011222 has 8 divisors (see below), whose sum is σ = 19981652745672. Its totient is φ = 5550459096000.

The previous prime is 12211010011049. The next prime is 12211010011223. The reversal of 12211010011222 is 22211001011221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12211010011196 and 12211010011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211010011223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277522954779 + ... + 277522954822.

It is an arithmetic number, because the mean of its divisors is an integer number (2497706593209).

Almost surely, 2^{12211010011222} is an apocalyptic number.

12211010011222 is a deficient number, since it is larger than the sum of its proper divisors (7770642734450).

12211010011222 is a wasteful number, since it uses less digits than its factorization.

12211010011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555045909614.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211010011222 its reverse (22211001011221), we get a palindrome (34422011022443).

Subtracting 12211010011222 from its reverse (22211001011221), we obtain a palindrome (9999990999999).

The spelling of 12211010011222 in words is "twelve trillion, two hundred eleven billion, ten million, eleven thousand, two hundred twenty-two".