1213430142241 has 2 divisors, whose sum is σ = 1213430142242. Its totient is φ = 1213430142240.

The previous prime is 1213430142229. The next prime is 1213430142269. The reversal of 1213430142241 is 1422410343121.

It is a happy number.

It is an a-pointer prime, because the next prime (1213430142269) can be obtained adding 1213430142241 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210528057600 + 2902084641 = 1100240^2 + 53871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213430142241 - 2¹¹ = 1213430140193 is a prime.

It is a super-4 number, since 4×1213430142241⁴ (a number of 49 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1213430148241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606715071120 + 606715071121.

It is an arithmetic number, because the mean of its divisors is an integer number (606715071121).

Almost surely, 2^{1213430142241} is an apocalyptic number.

It is an amenable number.

1213430142241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213430142241 is an equidigital number, since it uses as much as digits as its factorization.

1213430142241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1213430142241 its reverse (1422410343121), we get a palindrome (2635840485362).

The spelling of 1213430142241 in words is "one trillion, two hundred thirteen billion, four hundred thirty million, one hundred forty-two thousand, two hundred forty-one".