12112113031212 has 24 divisors (see below), whose sum is σ = 28683411956416. Its totient is φ = 3977111741328.

The previous prime is 12112113031201. The next prime is 12112113031223. The reversal of 12112113031212 is 21213031121121.

It is an interprime number because it is at equal distance from previous prime (12112113031201) and next prime (12112113031223).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7532407798 + ... + 7532409405.

Almost surely, 2^{12112113031212} is an apocalyptic number.

12112113031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112113031212 is an abundant number, since it is smaller than the sum of its proper divisors (16571298925204).

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

12112113031212 is a wasteful number, since it uses less digits than its factorization.

12112113031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064817277 (or 15064817275 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12112113031212 its reverse (21213031121121), we get a palindrome (33325144152333).

The spelling of 12112113031212 in words is "twelve trillion, one hundred twelve billion, one hundred thirteen million, thirty-one thousand, two hundred twelve".