10200001210123 has 2 divisors, whose sum is σ = 10200001210124. Its totient is φ = 10200001210122.

The previous prime is 10200001210099. The next prime is 10200001210159. The reversal of 10200001210123 is 32101210000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10200001210123 - 2⁹ = 10200001209611 is a prime.

It is not a weakly prime, because it can be changed into another prime (10200001210423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100000605061 + 5100000605062.

It is an arithmetic number, because the mean of its divisors is an integer number (5100000605062).

Almost surely, 2^{10200001210123} is an apocalyptic number.

10200001210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200001210123 is an equidigital number, since it uses as much as digits as its factorization.

10200001210123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10200001210123 its reverse (32101210000201), we get a palindrome (42301211210324).

The spelling of 10200001210123 in words is "ten trillion, two hundred billion, one million, two hundred ten thousand, one hundred twenty-three".