112001001212005 has 8 divisors (see below), whose sum is σ = 134433532776312. Its totient is φ = 89579246755008.

The previous prime is 112001001211921. The next prime is 112001001212017. The reversal of 112001001212005 is 500212100100211.

It can be written as a sum of positive squares in 4 ways, for example, as 34784728988164 + 77216272223841 = 5897858^2 + 8787279^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 112001001212005 - 2¹³ = 112001001203813 is a prime.

It is a super-2 number, since 2×112001001212005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112001001212005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694253962 + ... + 2694295531.

It is an arithmetic number, because the mean of its divisors is an integer number (16804191597039).

Almost surely, 2^{112001001212005} is an apocalyptic number.

It is an amenable number.

112001001212005 is a deficient number, since it is larger than the sum of its proper divisors (22432531564307).

112001001212005 is an equidigital number, since it uses as much as digits as its factorization.

112001001212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388553655.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 112001001212005 its reverse (500212100100211), we get a palindrome (612213101312216).

The spelling of 112001001212005 in words is "one hundred twelve trillion, one billion, one million, two hundred twelve thousand, five".