12012110001001 has 8 divisors (see below), whose sum is σ = 13113226425600. Its totient is φ = 10912511313840.

The previous prime is 12012110000999. The next prime is 12012110001007. The reversal of 12012110001001 is 10010001121021.

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 12012110001001 - 2¹ = 12012110000999 is a prime.

It is a super-2 number, since 2×12012110001001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012110001007) by changing a digit.

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, 379417806 + ... + 379449463.

It is an arithmetic number, because the mean of its divisors is an integer number (1639153303200).

Almost surely, 2^{12012110001001} is an apocalyptic number.

12012110001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012110001001 is a deficient number, since it is larger than the sum of its proper divisors (1101116424599).

12012110001001 is a wasteful number, since it uses less digits than its factorization.

12012110001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758868719.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12012110001001 its reverse (10010001121021), we get a palindrome (22022111122022).

It can be divided in two parts, 120 and 12110001001, that added together give a palindrome (12110001121).

The spelling of 12012110001001 in words is "twelve trillion, twelve billion, one hundred ten million, one thousand, one".