12347020201 has 2 divisors, whose sum is σ = 12347020202. Its totient is φ = 12347020200.

The previous prime is 12347020181. The next prime is 12347020243. The reversal of 12347020201 is 10202074321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12321000000 + 26020201 = 111000^2 + 5101^2 .

It is a cyclic number.

It is not a de Polignac number, because 12347020201 - 2²¹ = 12344923049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12347020601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173510100 + 6173510101.

It is an arithmetic number, because the mean of its divisors is an integer number (6173510101).

Almost surely, 2^12347020201 is an apocalyptic number.

It is an amenable number.

12347020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12347020201 is an equidigital number, since it uses as much as digits as its factorization.

12347020201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12347020201 its reverse (10202074321), we get a palindrome (22549094522).

The spelling of 12347020201 in words is "twelve billion, three hundred forty-seven million, twenty thousand, two hundred one".