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12210221000999 = 76342372750261
BaseRepresentation
bin1011000110101110100111…
…1000101010100100100111
31121020021201021222102210102
42301223221320222210213
53100023013034012444
641545144215414315
72400105442024160
oct261535170524447
947207637872712
1012210221000999
11398836448736a
12145250a38439b
136a755a427438
14302d99310767
1516293885984e
hexb1ae9e2a927

12210221000999 has 8 divisors (see below), whose sum is σ = 13954565362848. Its totient is φ = 10465883408160.

The previous prime is 12210221000993. The next prime is 12210221001019. The reversal of 12210221000999 is 99900012201221.

It is a happy number.

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 12210221000999 - 28 = 12210221000743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210221000993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064529 + ... + 5814789.

It is an arithmetic number, because the mean of its divisors is an integer number (1744320670356).

Almost surely, 212210221000999 is an apocalyptic number.

12210221000999 is a deficient number, since it is larger than the sum of its proper divisors (1744344361849).

12210221000999 is an equidigital number, since it uses as much as digits as its factorization.

12210221000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384505.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 12210221000999 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, nine hundred ninety-nine", and thus it is an aban number.

Divisors: 1 7 634237 2750261 4439659 19251827 1744317285857 12210221000999