12002012121001 has 16 divisors (see below), whose sum is σ = 14115535024000. Its totient is φ = 9989341044480.

The previous prime is 12002012120957. The next prime is 12002012121041. The reversal of 12002012121001 is 10012121020021.

It is not a de Polignac number, because 12002012121001 - 2²¹ = 12002010023849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002012121041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46303440 + ... + 46561921.

It is an arithmetic number, because the mean of its divisors is an integer number (882220939000).

Almost surely, 2^{12002012121001} is an apocalyptic number.

It is an amenable number.

12002012121001 is a deficient number, since it is larger than the sum of its proper divisors (2113522902999).

12002012121001 is an equidigital number, since it uses as much as digits as its factorization.

12002012121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92865904.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12002012121001 its reverse (10012121020021), we get a palindrome (22014133141022).

The spelling of 12002012121001 in words is "twelve trillion, two billion, twelve million, one hundred twenty-one thousand, one".