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1220200312201 = 131722346130631
BaseRepresentation
bin10001110000011001100…
…110110010110110001001
311022122112212011021220121
4101300121212302312021
5124442432234442301
62332315143223241
7154104462344353
oct21603146626611
94278485137817
101220200312201
114305362a1692
12178596747b21
138b0ab628a70
14430b52740d3
1521b183233a1
hex11c199b2d89

1220200312201 has 48 divisors (see below), whose sum is σ = 1459805453568. Its totient is φ = 1011760358400.

The previous prime is 1220200312141. The next prime is 1220200312207. The reversal of 1220200312201 is 1022130020221.

It is a happy number.

It is not a de Polignac number, because 1220200312201 - 29 = 1220200311689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220200312207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39820156 + ... + 39850786.

It is an arithmetic number, because the mean of its divisors is an integer number (30412613616).

Almost surely, 21220200312201 is an apocalyptic number.

It is an amenable number.

1220200312201 is a deficient number, since it is larger than the sum of its proper divisors (239605141367).

1220200312201 is a wasteful number, since it uses less digits than its factorization.

1220200312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31162 (or 31145 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220200312201 its reverse (1022130020221), we get a palindrome (2242330332422).

The spelling of 1220200312201 in words is "one trillion, two hundred twenty billion, two hundred million, three hundred twelve thousand, two hundred one".

Divisors: 1 13 17 23 221 289 299 391 461 3757 5083 5993 6647 7837 10603 30631 86411 101881 133229 137839 180251 398203 520727 704513 1731977 2343263 3064267 6769451 8852359 9158669 11976721 14120891 39835471 115080667 155697373 183571583 203604257 240055147 324780493 2646855341 3120716911 4080937499 4222146409 5521268381 53052187487 71776488953 93861562477 1220200312201