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12201200101 = 171494816897
BaseRepresentation
bin10110101110011111…
…11000100111100101
31011111022201012000001
423113033320213211
5144442001400401
65334414021301
7611233326646
oct132717704745
934438635001
1012201200101
1151a1294252
1224461a7831
1311c5a4c13c
1483a6336cd
154b6265601
hex2d73f89e5

12201200101 has 8 divisors (see below), whose sum is σ = 13005624600. Its totient is φ = 11406409728.

The previous prime is 12201200093. The next prime is 12201200111. The reversal of 12201200101 is 10100210221.

It can be written as a sum of positive squares in 4 ways, for example, as 2960992225 + 9240207876 = 54415^2 + 96126^2 .

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 12201200101 - 23 = 12201200093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201200111) 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, 2405916 + ... + 2410981.

It is an arithmetic number, because the mean of its divisors is an integer number (1625703075).

Almost surely, 212201200101 is an apocalyptic number.

It is an amenable number.

12201200101 is a deficient number, since it is larger than the sum of its proper divisors (804424499).

12201200101 is a wasteful number, since it uses less digits than its factorization.

12201200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817063.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12201200101 its reverse (10100210221), we get a palindrome (22301410322).

The spelling of 12201200101 in words is "twelve billion, two hundred one million, two hundred thousand, one hundred one".

Divisors: 1 17 149 2533 4816897 81887249 717717653 12201200101