12112002001 has 8 divisors (see below), whose sum is σ = 13216320000. Its totient is φ = 11008221840.

The previous prime is 12112001987. The next prime is 12112002011. The reversal of 12112002001 is 10020021121.

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

It is not a de Polignac number, because 12112002001 - 2⁵ = 12112001969 is a prime.

It is a super-3 number, since 3×12112002001³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112002011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86626 + ... + 178123.

It is an arithmetic number, because the mean of its divisors is an integer number (1652040000).

Almost surely, 2^12112002001 is an apocalyptic number.

12112002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12112002001 is a deficient number, since it is larger than the sum of its proper divisors (1104317999).

12112002001 is a wasteful number, since it uses less digits than its factorization.

12112002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268919.

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

Adding to 12112002001 its reverse (10020021121), we get a palindrome (22132023122).

The spelling of 12112002001 in words is "twelve billion, one hundred twelve million, two thousand, one".