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212120101221313 = 1444717203853493
BaseRepresentation
bin110000001110110000001111…
…010010000111001111000001
31000211001111001120100100101211
4300032300033102013033001
5210300333431403040223
62031050343525330121
762452112565012355
oct6016601722071701
91024044046310354
10212120101221313
11616516a21a834a
121b95a368866941
139148abbb1649c
143a5494c177465
15197cae5cabd0d
hexc0ec0f4873c1

212120101221313 has 8 divisors (see below), whose sum is σ = 212147363691648. Its totient is φ = 212092840521264.

The previous prime is 212120101221257. The next prime is 212120101221397. The reversal of 212120101221313 is 313122101021212.

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 212120101221313 - 229 = 212119564350401 is a prime.

It is a super-3 number, since 3×2121201012213133 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212120101222313) 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, 248104995 + ... + 248958487.

It is an arithmetic number, because the mean of its divisors is an integer number (26518420461456).

Almost surely, 2212120101221313 is an apocalyptic number.

It is an amenable number.

212120101221313 is a deficient number, since it is larger than the sum of its proper divisors (27262470335).

212120101221313 is a wasteful number, since it uses less digits than its factorization.

212120101221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885143.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212120101221313 its reverse (313122101021212), we get a palindrome (525242202242525).

The spelling of 212120101221313 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 14447 17203 853493 248531741 12330413371 14682640079 212120101221313