12411202021 has 12 divisors (see below), whose sum is σ = 13226015712. Its totient is φ = 11643790824.

The previous prime is 12411201991. The next prime is 12411202039. The reversal of 12411202021 is 12020211421.

It is not a de Polignac number, because 12411202021 - 2²³ = 12402813413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12411201986 and 12411202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12411202421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129711 + ... + 204076.

It is an arithmetic number, because the mean of its divisors is an integer number (1102167976).

Almost surely, 2^12411202021 is an apocalyptic number.

It is an amenable number.

12411202021 is a deficient number, since it is larger than the sum of its proper divisors (814813691).

12411202021 is a wasteful number, since it uses less digits than its factorization.

12411202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333928 (or 333909 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12411202021 its reverse (12020211421), we get a palindrome (24431413442).

The spelling of 12411202021 in words is "twelve billion, four hundred eleven million, two hundred two thousand, twenty-one".