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12210121112201 = 103622919031123
BaseRepresentation
bin1011000110101110001111…
…1011100111101010001001
31121020021110100000120010022
42301223203323213222021
53100022312001042301
641545130250430225
72400103120004165
oct261534373475211
947207410016108
1012210121112201
113988313061441
1214524a0a32375
136a754282243c
14302d89d4bca5
1516292ebc7d1b
hexb1ae3ee7a89

12210121112201 has 8 divisors (see below), whose sum is σ = 12330645862080. Its totient is φ = 12089634437232.

The previous prime is 12210121112129. The next prime is 12210121112213. The reversal of 12210121112201 is 10221112101221.

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 12210121112201 - 226 = 12210054003337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210121112201.

It is not an unprimeable number, because it can be changed into a prime (12210121112251) 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, 8873975 + ... + 10157148.

It is an arithmetic number, because the mean of its divisors is an integer number (1541330732760).

Almost surely, 212210121112201 is an apocalyptic number.

It is an amenable number.

12210121112201 is a deficient number, since it is larger than the sum of its proper divisors (120524749879).

12210121112201 is a wasteful number, since it uses less digits than its factorization.

12210121112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19037455.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12210121112201 its reverse (10221112101221), we get a palindrome (22431233213422).

The spelling of 12210121112201 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".

Divisors: 1 103 6229 641587 19031123 1960205669 118544865167 12210121112201