12001130010123 has 16 divisors (see below), whose sum is σ = 16678050195456. Its totient is φ = 7667493016320.

The previous prime is 12001130010097. The next prime is 12001130010127. The reversal of 12001130010123 is 32101003110021.

It is a happy number.

It is not a de Polignac number, because 12001130010123 - 2⁹ = 12001130009611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001130010127) 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 15 ways as a sum of consecutive naturals, for example, 626419590 + ... + 626438747.

It is an arithmetic number, because the mean of its divisors is an integer number (1042378137216).

Almost surely, 2^{12001130010123} is an apocalyptic number.

12001130010123 is a deficient number, since it is larger than the sum of its proper divisors (4676920185333).

12001130010123 is a wasteful number, since it uses less digits than its factorization.

12001130010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252858474.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12001130010123 its reverse (32101003110021), we get a palindrome (44102133120144).

The spelling of 12001130010123 in words is "twelve trillion, one billion, one hundred thirty million, ten thousand, one hundred twenty-three".