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1200200120201 = 19738931730671
BaseRepresentation
bin10001011101110001100…
…000000111011110001001
311020201221000021021021202
4101131301200013132021
5124131002212321301
62315210405513545
7152466035460605
oct21356140073611
94221830237252
101200200120201
11423002751395
121747347128b5
1389241bb4924
1442138d3c505
152134756a66b
hex11771807789

1200200120201 has 32 divisors (see below), whose sum is σ = 1299192307200. Its totient is φ = 1105321282560.

The previous prime is 1200200120191. The next prime is 1200200120213. The reversal of 1200200120201 is 1020210020021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200200120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200200120281) 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 31 ways as a sum of consecutive naturals, for example, 39116096 + ... + 39146766.

It is an arithmetic number, because the mean of its divisors is an integer number (40599759600).

Almost surely, 21200200120201 is an apocalyptic number.

It is an amenable number.

1200200120201 is a deficient number, since it is larger than the sum of its proper divisors (98992186999).

1200200120201 is a wasteful number, since it uses less digits than its factorization.

1200200120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31169.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200200120201 its reverse (1020210020021), we get a palindrome (2220410140222).

The spelling of 1200200120201 in words is "one trillion, two hundred billion, two hundred million, one hundred twenty thousand, two hundred one".

Divisors: 1 19 73 89 317 1387 1691 6023 6497 23141 28213 30671 123443 439679 536047 582749 2059549 2238983 2729719 9722707 39131431 42540677 51864661 184731433 199269487 709757611 865320923 3786120253 13485394609 16441097537 63168427379 1200200120201