12201001013 has 2 divisors, whose sum is σ = 12201001014. Its totient is φ = 12201001012.

The previous prime is 12201001003. The next prime is 12201001039. The reversal of 12201001013 is 31010010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10900821649 + 1300179364 = 104407^2 + 36058^2 .

It is an emirp because it is prime and its reverse (31010010221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201001013 - 2¹⁰ = 12200999989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201000985 and 12201001003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201001003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100500506 + 6100500507.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500507).

Almost surely, 2^12201001013 is an apocalyptic number.

It is an amenable number.

12201001013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201001013 is an equidigital number, since it uses as much as digits as its factorization.

12201001013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12201001013 its reverse (31010010221), we get a palindrome (43211011234).

The spelling of 12201001013 in words is "twelve billion, two hundred one million, one thousand, thirteen".