12002441021 has 8 divisors (see below), whose sum is σ = 12044761344. Its totient is φ = 11960188560.

The previous prime is 12002440939. The next prime is 12002441039. The reversal of 12002441021 is 12014420021.

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 12002441021 - 2¹⁰ = 12002439997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002441621) 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, 351320 + ... + 383966.

It is an arithmetic number, because the mean of its divisors is an integer number (1505595168).

Almost surely, 2^12002441021 is an apocalyptic number.

It is an amenable number.

12002441021 is a deficient number, since it is larger than the sum of its proper divisors (42320323).

12002441021 is an equidigital number, since it uses as much as digits as its factorization.

12002441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33931.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002441021 its reverse (12014420021), we get a palindrome (24016861042).

The spelling of 12002441021 in words is "twelve billion, two million, four hundred forty-one thousand, twenty-one".