1012143203101 has 2 divisors, whose sum is σ = 1012143203102. Its totient is φ = 1012143203100.

The previous prime is 1012143203087. The next prime is 1012143203107. The reversal of 1012143203101 is 1013023412101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609266108025 + 402877095076 = 780555^2 + 634726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012143203101 - 2²¹ = 1012141105949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012143203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506071601550 + 506071601551.

It is an arithmetic number, because the mean of its divisors is an integer number (506071601551).

Almost surely, 2^{1012143203101} is an apocalyptic number.

It is an amenable number.

1012143203101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012143203101 is an equidigital number, since it uses as much as digits as its factorization.

1012143203101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1012143203101 its reverse (1013023412101), we get a palindrome (2025166615202).

The spelling of 1012143203101 in words is "one trillion, twelve billion, one hundred forty-three million, two hundred three thousand, one hundred one".