12130311021023 has 32 divisors (see below), whose sum is σ = 14434214256000. Its totient is φ = 10079667265536.

The previous prime is 12130311020963. The next prime is 12130311021053. The reversal of 12130311021023 is 32012011303121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12130311021023 - 2¹⁰ = 12130311019999 is a prime.

It is a super-3 number, since 3×12130311021023³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12130311020986 and 12130311021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130311021053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83028983 + ... + 83174951.

It is an arithmetic number, because the mean of its divisors is an integer number (451069195500).

Almost surely, 2^{12130311021023} is an apocalyptic number.

12130311021023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12130311021023 is a deficient number, since it is larger than the sum of its proper divisors (2303903234977).

12130311021023 is a wasteful number, since it uses less digits than its factorization.

12130311021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162371.

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

Adding to 12130311021023 its reverse (32012011303121), we get a palindrome (44142322324144).

The spelling of 12130311021023 in words is "twelve trillion, one hundred thirty billion, three hundred eleven million, twenty-one thousand, twenty-three".