12222011020122 has 12 divisors (see below), whose sum is σ = 26481023876970. Its totient is φ = 4074003673368.

The previous prime is 12222011020111. The next prime is 12222011020129. The reversal of 12222011020122 is 22102011022221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9926904188601 + 2295106831521 = 3150699^2 + 1514961^2 .

It is a super-2 number, since 2×12222011020122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 679000612229 = 12222011020122 / (1 + 2 + 2 + 2 + 2 + 0 + 1 + 1 + 0 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12222011020095 and 12222011020104.

It is not an unprimeable number, because it can be changed into a prime (12222011020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339500306097 + ... + 339500306132.

Almost surely, 2^{12222011020122} is an apocalyptic number.

12222011020122 is an abundant number, since it is smaller than the sum of its proper divisors (14259012856848).

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

12222011020122 is a wasteful number, since it uses less digits than its factorization.

12222011020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679000612237 (or 679000612234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12222011020122 its reverse (22102011022221), we get a palindrome (34324022042343).

The spelling of 12222011020122 in words is "twelve trillion, two hundred twenty-two billion, eleven million, twenty thousand, one hundred twenty-two".