12112202201212 has 12 divisors (see below), whose sum is σ = 21596285057256. Its totient is φ = 5941835042000.

The previous prime is 12112202201119. The next prime is 12112202201219. The reversal of 12112202201212 is 21210220221121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112202201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112202201219) 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 3 ways as a sum of consecutive naturals, for example, 28566514414 + ... + 28566514837.

It is an arithmetic number, because the mean of its divisors is an integer number (1799690421438).

Almost surely, 2^{12112202201212} is an apocalyptic number.

It is an amenable number.

12112202201212 is a deficient number, since it is larger than the sum of its proper divisors (9484082856044).

12112202201212 is a wasteful number, since it uses less digits than its factorization.

12112202201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57133029308 (or 57133029306 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112202201212 its reverse (21210220221121), we get a palindrome (33322422422333).

The spelling of 12112202201212 in words is "twelve trillion, one hundred twelve billion, two hundred two million, two hundred one thousand, two hundred twelve".