12421034210211 has 24 divisors (see below), whose sum is σ = 18695825170512. Its totient is φ = 7324442769600.

The previous prime is 12421034210191. The next prime is 12421034210243. The reversal of 12421034210211 is 11201243012421.

It is not a de Polignac number, because 12421034210211 - 2⁴² = 8022987699107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12421034210251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462388260 + ... + 462415121.

It is an arithmetic number, because the mean of its divisors is an integer number (778992715438).

Almost surely, 2^{12421034210211} is an apocalyptic number.

12421034210211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12421034210211 is a deficient number, since it is larger than the sum of its proper divisors (6274790960301).

12421034210211 is a wasteful number, since it uses less digits than its factorization.

12421034210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924803443 (or 924803432 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12421034210211 its reverse (11201243012421), we get a palindrome (23622277222632).

The spelling of 12421034210211 in words is "twelve trillion, four hundred twenty-one billion, thirty-four million, two hundred ten thousand, two hundred eleven".