12112222211201 has 64 divisors (see below), whose sum is σ = 14876767825920. Its totient is φ = 9641527822080.

The previous prime is 12112222211189. The next prime is 12112222211231. The reversal of 12112222211201 is 10211222221121.

It is not a de Polignac number, because 12112222211201 - 2³⁸ = 11837344304257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112222211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 547236131 + ... + 547258263.

It is an arithmetic number, because the mean of its divisors is an integer number (232449497280).

Almost surely, 2^{12112222211201} is an apocalyptic number.

It is an amenable number.

12112222211201 is a deficient number, since it is larger than the sum of its proper divisors (2764545614719).

12112222211201 is a wasteful number, since it uses less digits than its factorization.

12112222211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23166.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112222211201 its reverse (10211222221121), we get a palindrome (22323444432322).

It can be divided in two parts, 1211222221120 and 1, that added together give a palindrome (1211222221121).

The spelling of 12112222211201 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, two hundred one".