12012101222001 has 32 divisors (see below), whose sum is σ = 16201213636608. Its totient is φ = 7915869238080.

The previous prime is 12012101221961. The next prime is 12012101222021. The reversal of 12012101222001 is 10022210121021.

It is not a de Polignac number, because 12012101222001 - 2²¹ = 12012099124849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012101222021) 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 31 ways as a sum of consecutive naturals, for example, 418482016 + ... + 418510718.

It is an arithmetic number, because the mean of its divisors is an integer number (506287926144).

Almost surely, 2^{12012101222001} is an apocalyptic number.

It is an amenable number.

12012101222001 is a deficient number, since it is larger than the sum of its proper divisors (4189112414607).

12012101222001 is a wasteful number, since it uses less digits than its factorization.

12012101222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31621.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012101222001 its reverse (10022210121021), we get a palindrome (22034311343022).

The spelling of 12012101222001 in words is "twelve trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, one".