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12021100210069 is a prime number
BaseRepresentation
bin1010111011101110000101…
…1010000110011110010101
31120120012120010211211112021
42232323201122012132111
53033423203123210234
641322230040453141
72350332032565646
oct256734132063625
946505503754467
1012021100210069
113915135751a45
12142192a17a1b1
1369277acbc9a2
142d7b780596cd
1515ca6a5649b4
hexaeee1686795

12021100210069 has 2 divisors, whose sum is σ = 12021100210070. Its totient is φ = 12021100210068.

The previous prime is 12021100210051. The next prime is 12021100210109. The reversal of 12021100210069 is 96001200112021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10463251743025 + 1557848467044 = 3234695^2 + 1248138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021100210069 - 25 = 12021100210037 is a prime.

It is a super-2 number, since 2×120211002100692 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021100010069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010550105034 + 6010550105035.

It is an arithmetic number, because the mean of its divisors is an integer number (6010550105035).

Almost surely, 212021100210069 is an apocalyptic number.

It is an amenable number.

12021100210069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021100210069 is an equidigital number, since it uses as much as digits as its factorization.

12021100210069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 12021100210069 in words is "twelve trillion, twenty-one billion, one hundred million, two hundred ten thousand, sixty-nine".