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12021302322021 = 329962313373809
BaseRepresentation
bin1010111011101110110101…
…1101000110001101100101
31120120020002020011012000010
42232323231131012031211
53033424111343301041
641322302100440433
72350340035530426
oct256735535061545
946506066135003
1012021302322021
113915229847713
1214219859a9119
136927b0b36365
142d7b96c2b64d
1515ca7d189a16
hexaeeed746365

12021302322021 has 8 divisors (see below), whose sum is σ = 16028457789760. Its totient is φ = 8014174201152.

The previous prime is 12021302321921. The next prime is 12021302322031. The reversal of 12021302322021 is 12022320312021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021302322021 - 214 = 12021302305637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021302322031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788036 + ... + 7585773.

It is an arithmetic number, because the mean of its divisors is an integer number (2003557223720).

Almost surely, 212021302322021 is an apocalyptic number.

It is an amenable number.

12021302322021 is a deficient number, since it is larger than the sum of its proper divisors (4007155467739).

12021302322021 is a wasteful number, since it uses less digits than its factorization.

12021302322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673435.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12021302322021 its reverse (12022320312021), we get a palindrome (24043622634042).

The spelling of 12021302322021 in words is "twelve trillion, twenty-one billion, three hundred two million, three hundred twenty-two thousand, twenty-one".

Divisors: 1 3 299623 898869 13373809 40121427 4007100774007 12021302322021