10123101212123 has 2 divisors, whose sum is σ = 10123101212124. Its totient is φ = 10123101212122.

The previous prime is 10123101212111. The next prime is 10123101212171. The reversal of 10123101212123 is 32121210132101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10123101212123 - 2¹⁰ = 10123101211099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10123101212095 and 10123101212104.

It is not a weakly prime, because it can be changed into another prime (10123101211123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061550606061 + 5061550606062.

It is an arithmetic number, because the mean of its divisors is an integer number (5061550606062).

Almost surely, 2^{10123101212123} is an apocalyptic number.

10123101212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123101212123 is an equidigital number, since it uses as much as digits as its factorization.

10123101212123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10123101212123 its reverse (32121210132101), we get a palindrome (42244311344224).

The spelling of 10123101212123 in words is "ten trillion, one hundred twenty-three billion, one hundred one million, two hundred twelve thousand, one hundred twenty-three".