10204103213243 has 2 divisors, whose sum is σ = 10204103213244. Its totient is φ = 10204103213242.

The previous prime is 10204103213209. The next prime is 10204103213263. The reversal of 10204103213243 is 34231230140201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10204103213243 - 2¹² = 10204103209147 is a prime.

It is a super-2 number, since 2×10204103213243² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10204103213263) 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, 5102051606621 + 5102051606622.

It is an arithmetic number, because the mean of its divisors is an integer number (5102051606622).

Almost surely, 2^{10204103213243} is an apocalyptic number.

10204103213243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204103213243 is an equidigital number, since it uses as much as digits as its factorization.

10204103213243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 10204103213243 its reverse (34231230140201), we get a palindrome (44435333353444).

The spelling of 10204103213243 in words is "ten trillion, two hundred four billion, one hundred three million, two hundred thirteen thousand, two hundred forty-three".