Search a number
-
+
12212201207 is a prime number
BaseRepresentation
bin10110101111110011…
…10110011011110111
31011112002102002200102
423113321312123313
5200002310414312
65335445504315
7611425666103
oct132771663367
934462362612
1012212201207
1151a7518578
122449a1209b
1311c810157b
1483bc98903
154b71d9ec2
hex2d7e766f7

12212201207 has 2 divisors, whose sum is σ = 12212201208. Its totient is φ = 12212201206.

The previous prime is 12212201191. The next prime is 12212201219. The reversal of 12212201207 is 70210221221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212201207 - 24 = 12212201191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212200207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106100603 + 6106100604.

It is an arithmetic number, because the mean of its divisors is an integer number (6106100604).

Almost surely, 212212201207 is an apocalyptic number.

12212201207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212201207 is an equidigital number, since it uses as much as digits as its factorization.

12212201207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12212201207 its reverse (70210221221), we get a palindrome (82422422428).

The spelling of 12212201207 in words is "twelve billion, two hundred twelve million, two hundred one thousand, two hundred seven".