12112112222000 has 160 divisors (see below), whose sum is σ = 33711760642560. Its totient is φ = 4122847814400.

The previous prime is 12112112221991. The next prime is 12112112222039. The reversal of 12112112222000 is 22221121121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112112222000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166054 + ... + 5058053.

It is an arithmetic number, because the mean of its divisors is an integer number (210698504016).

Almost surely, 2^{12112112222000} is an apocalyptic number.

12112112222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112112222000 is an abundant number, since it is smaller than the sum of its proper divisors (21599648420560).

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

12112112222000 is a wasteful number, since it uses less digits than its factorization.

12112112222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224276 (or 6224260 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112112222000 its reverse (22221121121), we get a palindrome (12134333343121).

The spelling of 12112112222000 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-two thousand".