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12210011213321 = 431831115507277
BaseRepresentation
bin1011000110101101110101…
…1000011000111000001001
31121020021011200020010012102
42301223131120120320021
53100022100332311241
641545111323123145
72400100313613245
oct261533530307011
947207150203172
1012210011213321
113988267019819
1214524700734b5
136a7525b2410c
14302d79501425
1516292521a39b
hexb1add618e09

12210011213321 has 8 divisors (see below), whose sum is σ = 12494648088384. Its totient is φ = 11925405389520.

The previous prime is 12210011213303. The next prime is 12210011213429. The reversal of 12210011213321 is 12331211001221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12210011213321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210011213293 and 12210011213302.

It is not an unprimeable number, because it can be changed into a prime (12210011213221) 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, 6966266 + ... + 8541011.

It is an arithmetic number, because the mean of its divisors is an integer number (1561831011048).

Almost surely, 212210011213321 is an apocalyptic number.

It is an amenable number.

12210011213321 is a deficient number, since it is larger than the sum of its proper divisors (284636875063).

12210011213321 is a wasteful number, since it uses less digits than its factorization.

12210011213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525631.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12210011213321 its reverse (12331211001221), we get a palindrome (24541222214542).

The spelling of 12210011213321 in words is "twelve trillion, two hundred ten billion, eleven million, two hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 43 18311 787373 15507277 666812911 283953749147 12210011213321