13412411022421 has 2 divisors, whose sum is σ = 13412411022422. Its totient is φ = 13412411022420.

The previous prime is 13412411022407. The next prime is 13412411022443. The reversal of 13412411022421 is 12422011421431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7190903475396 + 6221507547025 = 2681586^2 + 2494295^2 .

It is a cyclic number.

It is not a de Polignac number, because 13412411022421 - 2⁷ = 13412411022293 is a prime.

It is a super-3 number, since 3×13412411022421³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13412411022421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13412411032421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706205511210 + 6706205511211.

It is an arithmetic number, because the mean of its divisors is an integer number (6706205511211).

Almost surely, 2^{13412411022421} is an apocalyptic number.

It is an amenable number.

13412411022421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13412411022421 is an equidigital number, since it uses as much as digits as its factorization.

13412411022421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 13412411022421 its reverse (12422011421431), we get a palindrome (25834422443852).

The spelling of 13412411022421 in words is "thirteen trillion, four hundred twelve billion, four hundred eleven million, twenty-two thousand, four hundred twenty-one".