12002120022021 has 64 divisors (see below), whose sum is σ = 16575241912320. Its totient is φ = 7721998764480.

The previous prime is 12002120021999. The next prime is 12002120022043. The reversal of 12002120022021 is 12022002120021.

It is an interprime number because it is at equal distance from previous prime (12002120021999) and next prime (12002120022043).

It is not a de Polignac number, because 12002120022021 - 2¹⁰ = 12002120020997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002122022021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2980410210 + ... + 2980414236.

It is an arithmetic number, because the mean of its divisors is an integer number (258988154880).

Almost surely, 2^{12002120022021} is an apocalyptic number.

It is an amenable number.

12002120022021 is a deficient number, since it is larger than the sum of its proper divisors (4573121890299).

12002120022021 is a wasteful number, since it uses less digits than its factorization.

12002120022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12002120022021 its reverse (12022002120021), we get a palindrome (24024122142042).

The spelling of 12002120022021 in words is "twelve trillion, two billion, one hundred twenty million, twenty-two thousand, twenty-one".