10113212123123 has 12 divisors (see below), whose sum is σ = 10460204453664. Its totient is φ = 9777392845200.

The previous prime is 10113212123093. The next prime is 10113212123191. The reversal of 10113212123123 is 32132121231101.

It is a happy number.

It is not a de Polignac number, because 10113212123123 - 2¹⁰ = 10113212122099 is a prime.

It is a super-2 number, since 2×10113212123123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113212123423) 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 in 11 ways as a sum of consecutive naturals, for example, 4172411 + ... + 6134772.

It is an arithmetic number, because the mean of its divisors is an integer number (871683704472).

Almost surely, 2^{10113212123123} is an apocalyptic number.

10113212123123 is a deficient number, since it is larger than the sum of its proper divisors (346992330541).

10113212123123 is a wasteful number, since it uses less digits than its factorization.

10113212123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308266 (or 10308235 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10113212123123 its reverse (32132121231101), we get a palindrome (42245333354224).

The spelling of 10113212123123 in words is "ten trillion, one hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, one hundred twenty-three".