10122001243 has 2 divisors, whose sum is σ = 10122001244. Its totient is φ = 10122001242.

The previous prime is 10122001217. The next prime is 10122001303. The reversal of 10122001243 is 34210022101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122001243 is a prime.

It is not a weakly prime, because it can be changed into another prime (10122001343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061000621 + 5061000622.

It is an arithmetic number, because the mean of its divisors is an integer number (5061000622).

Almost surely, 2^10122001243 is an apocalyptic number.

10122001243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122001243 is an equidigital number, since it uses as much as digits as its factorization.

10122001243 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 16.

Adding to 10122001243 its reverse (34210022101), we get a palindrome (44332023344).

The spelling of 10122001243 in words is "ten billion, one hundred twenty-two million, one thousand, two hundred forty-three".