12002021041 has 8 divisors (see below), whose sum is σ = 12225477960. Its totient is φ = 11780533248.

The previous prime is 12002021021. The next prime is 12002021077. The reversal of 12002021041 is 14012020021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1226750625 + 10775270416 = 35025^2 + 103804^2 .

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 12002021041 - 2⁷ = 12002020913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002021021) 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, 479976 + ... + 504361.

It is an arithmetic number, because the mean of its divisors is an integer number (1528184745).

Almost surely, 2^12002021041 is an apocalyptic number.

It is an amenable number.

12002021041 is a deficient number, since it is larger than the sum of its proper divisors (223456919).

12002021041 is an equidigital number, since it uses as much as digits as its factorization.

12002021041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984563.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002021041 its reverse (14012020021), we get a palindrome (26014041062).

The spelling of 12002021041 in words is "twelve billion, two million, twenty-one thousand, forty-one".