12112001002 has 8 divisors (see below), whose sum is σ = 18347883012. Its totient is φ = 5996040000.

The previous prime is 12112000919. The next prime is 12112001039. The reversal of 12112001002 is 20010021121.

It can be written as a sum of positive squares in 2 ways, for example, as 12077790201 + 34210801 = 109899^2 + 5849^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12112001002.

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, 29979999 + ... + 29980402.

Almost surely, 2^12112001002 is an apocalyptic number.

12112001002 is a deficient number, since it is larger than the sum of its proper divisors (6235882010).

12112001002 is a wasteful number, since it uses less digits than its factorization.

12112001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59960504.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12112001002 its reverse (20010021121), we get a palindrome (32122022123).

The spelling of 12112001002 in words is "twelve billion, one hundred twelve million, one thousand, two".