12211022012223 has 8 divisors (see below), whose sum is σ = 16281891370368. Its totient is φ = 8140416997784.

The previous prime is 12211022012173. The next prime is 12211022012303. The reversal of 12211022012223 is 32221022011221.

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

It is a cyclic number.

It is not a de Polignac number, because 12211022012223 - 2²¹ = 12211019915071 is a prime.

It is a super-2 number, since 2×12211022012223² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211022012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211026012223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65978115 + ... + 66162932.

It is an arithmetic number, because the mean of its divisors is an integer number (2035236421296).

Almost surely, 2^{12211022012223} is an apocalyptic number.

12211022012223 is a deficient number, since it is larger than the sum of its proper divisors (4070869358145).

12211022012223 is a wasteful number, since it uses less digits than its factorization.

12211022012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132171853.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12211022012223 its reverse (32221022011221), we get a palindrome (44432044023444).

The spelling of 12211022012223 in words is "twelve trillion, two hundred eleven billion, twenty-two million, twelve thousand, two hundred twenty-three".