12011001022001 has 8 divisors (see below), whose sum is σ = 12398520781824. Its totient is φ = 11623485519360.

The previous prime is 12011001021961. The next prime is 12011001022123. The reversal of 12011001022001 is 10022010011021.

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 12011001022001 - 2¹⁴ = 12011001005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011001082001) 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, 5267441 + ... + 7194993.

It is an arithmetic number, because the mean of its divisors is an integer number (1549815097728).

Almost surely, 2^{12011001022001} is an apocalyptic number.

It is an amenable number.

12011001022001 is a deficient number, since it is larger than the sum of its proper divisors (387519759823).

12011001022001 is a wasteful number, since it uses less digits than its factorization.

12011001022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128591.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011001022001 its reverse (10022010011021), we get a palindrome (22033011033022).

The spelling of 12011001022001 in words is "twelve trillion, eleven billion, one million, twenty-two thousand, one".