12303123012129 has 16 divisors (see below), whose sum is σ = 16730896300352. Its totient is φ = 8040094483968.

The previous prime is 12303123011969. The next prime is 12303123012139. The reversal of 12303123012129 is 92121032130321.

It is not a de Polignac number, because 12303123012129 - 2⁹ = 12303123011617 is a prime.

It is a super-2 number, since 2×12303123012129² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303123012096 and 12303123012105.

It is not an unprimeable number, because it can be changed into a prime (12303123012139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172291432 + ... + 172362825.

It is an arithmetic number, because the mean of its divisors is an integer number (1045681018772).

Almost surely, 2^{12303123012129} is an apocalyptic number.

It is an amenable number.

12303123012129 is a deficient number, since it is larger than the sum of its proper divisors (4427773288223).

12303123012129 is a wasteful number, since it uses less digits than its factorization.

12303123012129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344654496.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 12303123012129 in words is "twelve trillion, three hundred three billion, one hundred twenty-three million, twelve thousand, one hundred twenty-nine".