12112211022 has 8 divisors (see below), whose sum is σ = 24224422056. Its totient is φ = 4037403672.

The previous prime is 12112210997. The next prime is 12112211047. The reversal of 12112211022 is 22011221121.

It is an interprime number because it is at equal distance from previous prime (12112210997) and next prime (12112211047).

It is a sphenic number, since it is the product of 3 distinct primes.

12112211022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12112210992 and 12112211010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009350913 + ... + 1009350924.

It is an arithmetic number, because the mean of its divisors is an integer number (3028052757).

Almost surely, 2^12112211022 is an apocalyptic number.

12112211022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12112211022 is a wasteful number, since it uses less digits than its factorization.

12112211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018701842.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112211022 its reverse (22011221121), we get a palindrome (34123432143).

The spelling of 12112211022 in words is "twelve billion, one hundred twelve million, two hundred eleven thousand, twenty-two".