12002010021121 has 8 divisors (see below), whose sum is σ = 12257420482944. Its totient is φ = 11746601582160.

The previous prime is 12002010021097. The next prime is 12002010021163. The reversal of 12002010021121 is 12112001020021.

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 12002010021121 - 2¹³ = 12002010012929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002010028121) 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 7 ways as a sum of consecutive naturals, for example, 22610326 + ... + 23135056.

It is an arithmetic number, because the mean of its divisors is an integer number (1532177560368).

Almost surely, 2^{12002010021121} is an apocalyptic number.

It is an amenable number.

12002010021121 is a deficient number, since it is larger than the sum of its proper divisors (255410461823).

12002010021121 is an equidigital number, since it uses as much as digits as its factorization.

12002010021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011431.

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

Adding to 12002010021121 its reverse (12112001020021), we get a palindrome (24114011041142).

The spelling of 12002010021121 in words is "twelve trillion, two billion, ten million, twenty-one thousand, one hundred twenty-one".