12021011120001 has 32 divisors (see below), whose sum is σ = 17279871114240. Its totient is φ = 7389433283904.

The previous prime is 12021011119963. The next prime is 12021011120141. The reversal of 12021011120001 is 10002111012021.

It is not a de Polignac number, because 12021011120001 - 2³⁰ = 12019937378177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021011121001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639304066 + ... + 639322868.

It is an arithmetic number, because the mean of its divisors is an integer number (539995972320).

Almost surely, 2^{12021011120001} is an apocalyptic number.

It is an amenable number.

12021011120001 is a deficient number, since it is larger than the sum of its proper divisors (5258859994239).

12021011120001 is a wasteful number, since it uses less digits than its factorization.

12021011120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35925.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12021011120001 its reverse (10002111012021), we get a palindrome (22023122132022).

The spelling of 12021011120001 in words is "twelve trillion, twenty-one billion, eleven million, one hundred twenty thousand, one".