Search a number
-
+
12022120237 is a prime number
BaseRepresentation
bin10110011001001001…
…01111111100101101
31011000211201222121111
423030210233330231
5144110130321422
65304535432021
7603630223141
oct131444577455
934024658544
1012022120237
11510a19a966
1223b6225611
13119790b01a
14820939221
154a568ea77
hex2cc92ff2d

12022120237 has 2 divisors, whose sum is σ = 12022120238. Its totient is φ = 12022120236.

The previous prime is 12022120189. The next prime is 12022120247. The reversal of 12022120237 is 73202122021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6846900516 + 5175219721 = 82746^2 + 71939^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022120237 - 27 = 12022120109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022120247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011060118 + 6011060119.

It is an arithmetic number, because the mean of its divisors is an integer number (6011060119).

Almost surely, 212022120237 is an apocalyptic number.

It is an amenable number.

12022120237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022120237 is an equidigital number, since it uses as much as digits as its factorization.

12022120237 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 12022120237 its reverse (73202122021), we get a palindrome (85224242258).

The spelling of 12022120237 in words is "twelve billion, twenty-two million, one hundred twenty thousand, two hundred thirty-seven".