12020230202123 has 16 divisors (see below), whose sum is σ = 14121797125632. Its totient is φ = 10086814980000.

The previous prime is 12020230202111. The next prime is 12020230202147. The reversal of 12020230202123 is 32120203202021.

It is a happy number.

It is not a de Polignac number, because 12020230202123 - 2³⁶ = 11951510725387 is a prime.

It is a super-2 number, since 2×12020230202123² (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 = 12020230202095 and 12020230202104.

It is not an unprimeable number, because it can be changed into a prime (12020230202923) 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, 18806348 + ... + 19434998.

It is an arithmetic number, because the mean of its divisors is an integer number (882612320352).

Almost surely, 2^{12020230202123} is an apocalyptic number.

12020230202123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12020230202123 is a deficient number, since it is larger than the sum of its proper divisors (2101566923509).

12020230202123 is a wasteful number, since it uses less digits than its factorization.

12020230202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762386.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12020230202123 its reverse (32120203202021), we get a palindrome (44140433404144).

The spelling of 12020230202123 in words is "twelve trillion, twenty billion, two hundred thirty million, two hundred two thousand, one hundred twenty-three".