1012121321143 has 2 divisors, whose sum is σ = 1012121321144. Its totient is φ = 1012121321142.

The previous prime is 1012121321089. The next prime is 1012121321179. The reversal of 1012121321143 is 3411231212101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3411231212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012121321143 - 2⁹ = 1012121320631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012121321443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060660571 + 506060660572.

It is an arithmetic number, because the mean of its divisors is an integer number (506060660572).

Almost surely, 2^{1012121321143} is an apocalyptic number.

1012121321143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012121321143 is an equidigital number, since it uses as much as digits as its factorization.

1012121321143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1012121321143 its reverse (3411231212101), we get a palindrome (4423352533244).

The spelling of 1012121321143 in words is "one trillion, twelve billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred forty-three".