12220212030222 has 32 divisors (see below), whose sum is σ = 28179098295552. Its totient is φ = 3460591016064.

The previous prime is 12220212030211. The next prime is 12220212030223. The reversal of 12220212030222 is 22203021202221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220212030223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1287417508 + ... + 1287426999.

It is an arithmetic number, because the mean of its divisors is an integer number (880596821736).

Almost surely, 2^{12220212030222} is an apocalyptic number.

12220212030222 is an abundant number, since it is smaller than the sum of its proper divisors (15958886265330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220212030222 is a wasteful number, since it uses less digits than its factorization.

12220212030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574844632.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12220212030222 its reverse (22203021202221), we get a palindrome (34423233232443).

The spelling of 12220212030222 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, thirty thousand, two hundred twenty-two".