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12210123310001 = 28187719495359
BaseRepresentation
bin1011000110101110010000…
…0100000000001110110001
31121020021110111011012221022
42301223210010000032301
53100022313031410001
641545130405505225
72400103144456601
oct261534404001661
947207414135838
1012210123310001
113988314322701
1214524a1712215
136a7543111906
14302d8a360c01
1516292eeae11b
hexb1ae41003b1

12210123310001 has 8 divisors (see below), whose sum is σ = 12253740134400. Its totient is φ = 12166507652320.

The previous prime is 12210123309971. The next prime is 12210123310013. The reversal of 12210123310001 is 10001332101221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210123310001 - 222 = 12210119115697 is a prime.

It is a super-2 number, since 2×122101233100012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210113310001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24401360 + ... + 24896718.

It is an arithmetic number, because the mean of its divisors is an integer number (1531717516800).

Almost surely, 212210123310001 is an apocalyptic number.

It is an amenable number.

12210123310001 is a deficient number, since it is larger than the sum of its proper divisors (43616824399).

12210123310001 is an equidigital number, since it uses as much as digits as its factorization.

12210123310001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583359.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12210123310001 its reverse (10001332101221), we get a palindrome (22211455411222).

The spelling of 12210123310001 in words is "twelve trillion, two hundred ten billion, one hundred twenty-three million, three hundred ten thousand, one".

Divisors: 1 281 87719 495359 24649039 139195879 43452396121 12210123310001