10203012011243 has 2 divisors, whose sum is σ = 10203012011244. Its totient is φ = 10203012011242.

The previous prime is 10203012011209. The next prime is 10203012011267. The reversal of 10203012011243 is 34211021030201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10203012011243 - 2³² = 10198717043947 is a prime.

It is not a weakly prime, because it can be changed into another prime (10203012011443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101506005621 + 5101506005622.

It is an arithmetic number, because the mean of its divisors is an integer number (5101506005622).

Almost surely, 2^{10203012011243} is an apocalyptic number.

10203012011243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203012011243 is an equidigital number, since it uses as much as digits as its factorization.

10203012011243 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 20.

Adding to 10203012011243 its reverse (34211021030201), we get a palindrome (44414033041444).

The spelling of 10203012011243 in words is "ten trillion, two hundred three billion, twelve million, eleven thousand, two hundred forty-three".