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1012200202201 = 1193848449457
BaseRepresentation
bin11101011101010111101…
…01010101111111011001
310120202122222020220121211
432232223311111333121
5113040441222432301
62052555351103121
7133062156521446
oct16565365257731
93522588226554
101012200202201
113602a9698431
12144207971aa1
13745b0a586b6
1436dc289a9cd
151b4e2881051
hexebabd55fd9

1012200202201 has 4 divisors (see below), whose sum is σ = 1013048652852. Its totient is φ = 1011351751552.

The previous prime is 1012200202127. The next prime is 1012200202243. The reversal of 1012200202201 is 1022020022101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 652704025801 + 359496176400 = 807901^2 + 599580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012200202201 - 27 = 1012200202073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012200202301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424223536 + ... + 424225921.

It is an arithmetic number, because the mean of its divisors is an integer number (253262163213).

Almost surely, 21012200202201 is an apocalyptic number.

It is an amenable number.

1012200202201 is a deficient number, since it is larger than the sum of its proper divisors (848450651).

1012200202201 is an equidigital number, since it uses as much as digits as its factorization.

1012200202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848450650.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012200202201 its reverse (1022020022101), we get a palindrome (2034220224302).

The spelling of 1012200202201 in words is "one trillion, twelve billion, two hundred million, two hundred two thousand, two hundred one".

Divisors: 1 1193 848449457 1012200202201