121413000421 has 2 divisors, whose sum is σ = 121413000422. Its totient is φ = 121413000420.

The previous prime is 121413000367. The next prime is 121413000479. The reversal of 121413000421 is 124000314121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112218300100 + 9194700321 = 334990^2 + 95889^2 .

It is an emirp because it is prime and its reverse (124000314121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121413000421 - 2¹¹ = 121412998373 is a prime.

It is a super-2 number, since 2×121413000421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121413001421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60706500210 + 60706500211.

It is an arithmetic number, because the mean of its divisors is an integer number (60706500211).

Almost surely, 2^121413000421 is an apocalyptic number.

It is an amenable number.

121413000421 is a deficient number, since it is larger than the sum of its proper divisors (1).

121413000421 is an equidigital number, since it uses as much as digits as its factorization.

121413000421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121413000421 its reverse (124000314121), we get a palindrome (245413314542).

The spelling of 121413000421 in words is "one hundred twenty-one billion, four hundred thirteen million, four hundred twenty-one", and thus it is an aban number.