1012001210243 has 2 divisors, whose sum is σ = 1012001210244. Its totient is φ = 1012001210242.

The previous prime is 1012001210203. The next prime is 1012001210287. The reversal of 1012001210243 is 3420121002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012001210243 - 2¹² = 1012001206147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012001210203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506000605121 + 506000605122.

It is an arithmetic number, because the mean of its divisors is an integer number (506000605122).

Almost surely, 2^{1012001210243} is an apocalyptic number.

1012001210243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012001210243 is an equidigital number, since it uses as much as digits as its factorization.

1012001210243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1012001210243 its reverse (3420121002101), we get a palindrome (4432122212344).

The spelling of 1012001210243 in words is "one trillion, twelve billion, one million, two hundred ten thousand, two hundred forty-three".