12021300013 has 2 divisors, whose sum is σ = 12021300014. Its totient is φ = 12021300012.

The previous prime is 12021299977. The next prime is 12021300017. The reversal of 12021300013 is 31000312021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11546147209 + 475152804 = 107453^2 + 21798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021300013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12021299966 and 12021300002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021300017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010650006 + 6010650007.

It is an arithmetic number, because the mean of its divisors is an integer number (6010650007).

Almost surely, 2^12021300013 is an apocalyptic number.

It is an amenable number.

12021300013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021300013 is an equidigital number, since it uses as much as digits as its factorization.

12021300013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12021300013 its reverse (31000312021), we get a palindrome (43021612034).

The spelling of 12021300013 in words is "twelve billion, twenty-one million, three hundred thousand, thirteen".