Search a number
-
+
12202221037 is a prime number
BaseRepresentation
bin10110101110100111…
…10001110111101101
31011111101122001110111
423113103301313231
5144442232033122
65334451540021
7611245111306
oct132723616755
934441561414
1012202221037
1151a19212a6
1224465ba611
1311c6018a46
1483a81b7ad
154b63b7d77
hex2d74f1ded

12202221037 has 2 divisors, whose sum is σ = 12202221038. Its totient is φ = 12202221036.

The previous prime is 12202221029. The next prime is 12202221067. The reversal of 12202221037 is 73012220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7919042121 + 4283178916 = 88989^2 + 65446^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202221037 - 23 = 12202221029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202220999 and 12202221017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202221067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101110518 + 6101110519.

It is an arithmetic number, because the mean of its divisors is an integer number (6101110519).

Almost surely, 212202221037 is an apocalyptic number.

It is an amenable number.

12202221037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202221037 is an equidigital number, since it uses as much as digits as its factorization.

12202221037 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 12202221037 its reverse (73012220221), we get a palindrome (85214441258).

The spelling of 12202221037 in words is "twelve billion, two hundred two million, two hundred twenty-one thousand, thirty-seven".