12112002012001 has 4 divisors (see below), whose sum is σ = 12124928375812. Its totient is φ = 12099075648192.

The previous prime is 12112002011981. The next prime is 12112002012023. The reversal of 12112002012001 is 10021020021121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1456993843600 + 10655008168401 = 1207060^2 + 3264201^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112002012001 - 2⁷ = 12112002011873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112002012091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6463180500 + ... + 6463182373.

It is an arithmetic number, because the mean of its divisors is an integer number (3031232093953).

Almost surely, 2^{12112002012001} is an apocalyptic number.

It is an amenable number.

12112002012001 is a deficient number, since it is larger than the sum of its proper divisors (12926363811).

12112002012001 is an equidigital number, since it uses as much as digits as its factorization.

12112002012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926363810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112002012001 its reverse (10021020021121), we get a palindrome (22133022033122).

The spelling of 12112002012001 in words is "twelve trillion, one hundred twelve billion, two million, twelve thousand, one".