12300021131 has 2 divisors, whose sum is σ = 12300021132. Its totient is φ = 12300021130.

The previous prime is 12300021109. The next prime is 12300021161. The reversal of 12300021131 is 13112000321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12300021131 is a prime.

It is a super-2 number, since 2×12300021131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12300021161) 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 as a sum of consecutive naturals, namely, 6150010565 + 6150010566.

It is an arithmetic number, because the mean of its divisors is an integer number (6150010566).

Almost surely, 2^12300021131 is an apocalyptic number.

12300021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300021131 is an equidigital number, since it uses as much as digits as its factorization.

12300021131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12300021131 its reverse (13112000321), we get a palindrome (25412021452).

The spelling of 12300021131 in words is "twelve billion, three hundred million, twenty-one thousand, one hundred thirty-one".