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1200020201201 = 3138710329071
BaseRepresentation
bin10001011101100110110…
…001110001111011110001
311020201110110201102211002
4101131212301301323301
5124130120132414301
62315140501331345
7152461422260453
oct21354661617361
94221413642732
101200020201201
11422a201345a8
121746a4406b55
138921383b893
144211d0a62d3
152133687b16b
hex11766c71ef1

1200020201201 has 4 divisors (see below), whose sum is σ = 1238730530304. Its totient is φ = 1161309872100.

The previous prime is 1200020201167. The next prime is 1200020201213. The reversal of 1200020201201 is 1021020200021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200020201201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200020201801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19355164505 + ... + 19355164566.

It is an arithmetic number, because the mean of its divisors is an integer number (309682632576).

Almost surely, 21200020201201 is an apocalyptic number.

It is an amenable number.

1200020201201 is a deficient number, since it is larger than the sum of its proper divisors (38710329103).

1200020201201 is an equidigital number, since it uses as much as digits as its factorization.

1200020201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38710329102.

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

Adding to 1200020201201 its reverse (1021020200021), we get a palindrome (2221040401222).

The spelling of 1200020201201 in words is "one trillion, two hundred billion, twenty million, two hundred one thousand, two hundred one".

Divisors: 1 31 38710329071 1200020201201