12112112022012 has 48 divisors (see below), whose sum is σ = 31405693984000. Its totient is φ = 4036866407280.

The previous prime is 12112112021993. The next prime is 12112112022061. The reversal of 12112112022012 is 21022021121121.

12112112022012 is a `hidden beast` number, since 1 + 211 + 211 + 20 + 220 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6134512 + ... + 7864887.

Almost surely, 2^{12112112022012} is an apocalyptic number.

12112112022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112112022012 is an abundant number, since it is smaller than the sum of its proper divisors (19293581961988).

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

12112112022012 is a wasteful number, since it uses less digits than its factorization.

12112112022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007423 (or 14007415 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12112112022012 its reverse (21022021121121), we get a palindrome (33134133143133).

The spelling of 12112112022012 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, twenty-two thousand, twelve".