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12200220127 is a prime number
BaseRepresentation
bin10110101110011000…
…01001010111011111
31011111020212101201201
423113030021113133
5144441224021002
65334341020331
7611222105614
oct132714112737
934436771651
1012200220127
1151a0784a57
1224459b46a7
1311c5798084
1483a45a50b
154b6120087
hex2d73095df

12200220127 has 2 divisors, whose sum is σ = 12200220128. Its totient is φ = 12200220126.

The previous prime is 12200220103. The next prime is 12200220157. The reversal of 12200220127 is 72102200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12200220127 - 215 = 12200187359 is a prime.

It is a super-2 number, since 2×122002201272 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200220157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100110063 + 6100110064.

It is an arithmetic number, because the mean of its divisors is an integer number (6100110064).

Almost surely, 212200220127 is an apocalyptic number.

12200220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200220127 is an equidigital number, since it uses as much as digits as its factorization.

12200220127 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 19.

Adding to 12200220127 its reverse (72102200221), we get a palindrome (84302420348).

It can be divided in two parts, 122002 and 20127, that added together give a square (142129 = 3772).

The spelling of 12200220127 in words is "twelve billion, two hundred million, two hundred twenty thousand, one hundred twenty-seven".