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12280128023 is a prime number
BaseRepresentation
bin10110110111111001…
…11110001000010111
31011200211020010202102
423123330332020113
5200122203044043
65350313432315
7613212236342
oct133374761027
934624203672
1012280128023
1152318a2a39
12246870b69b
1312091c5557
14846cdb459
154bd1566b8
hex2dbf3e217

12280128023 has 2 divisors, whose sum is σ = 12280128024. Its totient is φ = 12280128022.

The previous prime is 12280127989. The next prime is 12280128059. The reversal of 12280128023 is 32082108221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12280128023 - 214 = 12280111639 is a prime.

It is a super-2 number, since 2×122801280232 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280178023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6140064011 + 6140064012.

It is an arithmetic number, because the mean of its divisors is an integer number (6140064012).

Almost surely, 212280128023 is an apocalyptic number.

12280128023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280128023 is an equidigital number, since it uses as much as digits as its factorization.

12280128023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 12280128023 in words is "twelve billion, two hundred eighty million, one hundred twenty-eight thousand, twenty-three".