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12202021127 is a prime number
BaseRepresentation
bin10110101110100110…
…00001000100000111
31011111101020220020102
423113103001010013
5144442204134002
65334443354315
7611243316422
oct132723010407
934441226212
1012202021127
1151a17a508a
12244652299b
1311c5c78a5a
1483a7a89b9
154b6378a02
hex2d74c1107

12202021127 has 2 divisors, whose sum is σ = 12202021128. Its totient is φ = 12202021126.

The previous prime is 12202021081. The next prime is 12202021159. The reversal of 12202021127 is 72112020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12202021127 - 28 = 12202020871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202021099 and 12202021108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202021177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101010563 + 6101010564.

It is an arithmetic number, because the mean of its divisors is an integer number (6101010564).

Almost surely, 212202021127 is an apocalyptic number.

12202021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202021127 is an equidigital number, since it uses as much as digits as its factorization.

12202021127 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12202021127 its reverse (72112020221), we get a palindrome (84314041348).

The spelling of 12202021127 in words is "twelve billion, two hundred two million, twenty-one thousand, one hundred twenty-seven".