12112202111622 has 64 divisors (see below), whose sum is σ = 25296829922304. Its totient is φ = 3858930915840.

The previous prime is 12112202111621. The next prime is 12112202111627. The reversal of 12112202111622 is 22611120221121.

It is a junction number, because it is equal to n+sod(n) for n = 12112202111592 and 12112202111601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112202111621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1904131722 + ... + 1904138082.

It is an arithmetic number, because the mean of its divisors is an integer number (395262967536).

Almost surely, 2^{12112202111622} is an apocalyptic number.

12112202111622 is an abundant number, since it is smaller than the sum of its proper divisors (13184627810682).

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

12112202111622 is a wasteful number, since it uses less digits than its factorization.

12112202111622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14693.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 12112202111622 its reverse (22611120221121), we get a palindrome (34723322332743).

The spelling of 12112202111622 in words is "twelve trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, six hundred twenty-two".