12112000002 has 12 divisors (see below), whose sum is σ = 26242666710. Its totient is φ = 4037333328.

The previous prime is 12112000001. The next prime is 12112000003. The reversal of 12112000002 is 20000021121.

It is an interprime number because it is at equal distance from previous prime (12112000001) and next prime (12112000003).

It can be written as a sum of positive squares in only one way, i.e., 11442794841 + 669205161 = 106971^2 + 25869^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12112000001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336444427 + ... + 336444462.

Almost surely, 2^12112000002 is an apocalyptic number.

12112000002 is an abundant number, since it is smaller than the sum of its proper divisors (14130666708).

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

12112000002 is a wasteful number, since it uses less digits than its factorization.

12112000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672888897 (or 672888894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12112000002 its reverse (20000021121), we get a palindrome (32112021123).

The spelling of 12112000002 in words is "twelve billion, one hundred twelve million, two", and thus it is an aban number.