10120123213103 has 2 divisors, whose sum is σ = 10120123213104. Its totient is φ = 10120123213102.

The previous prime is 10120123213099. The next prime is 10120123213127. The reversal of 10120123213103 is 30131232102101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10120123213103 - 2² = 10120123213099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120123213153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060061606551 + 5060061606552.

It is an arithmetic number, because the mean of its divisors is an integer number (5060061606552).

Almost surely, 2^{10120123213103} is an apocalyptic number.

10120123213103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120123213103 is an equidigital number, since it uses as much as digits as its factorization.

10120123213103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10120123213103 its reverse (30131232102101), we get a palindrome (40251355315204).

The spelling of 10120123213103 in words is "ten trillion, one hundred twenty billion, one hundred twenty-three million, two hundred thirteen thousand, one hundred three".