12112230021222 has 64 divisors (see below), whose sum is σ = 24859066613760. Its totient is φ = 3932903837184.

The previous prime is 12112230021211. The next prime is 12112230021223. The reversal of 12112230021222 is 22212003221121.

It is a super-2 number, since 2×12112230021222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112230021223) 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 31 ways as a sum of consecutive naturals, for example, 175854363 + ... + 175923225.

It is an arithmetic number, because the mean of its divisors is an integer number (388422915840).

Almost surely, 2^{12112230021222} is an apocalyptic number.

12112230021222 is an abundant number, since it is smaller than the sum of its proper divisors (12746836592538).

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

12112230021222 is a wasteful number, since it uses less digits than its factorization.

12112230021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73437.

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

Adding to 12112230021222 its reverse (22212003221121), we get a palindrome (34324233242343).

The spelling of 12112230021222 in words is "twelve trillion, one hundred twelve billion, two hundred thirty million, twenty-one thousand, two hundred twenty-two".