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12200221111201 = 32506733753137
BaseRepresentation
bin1011000110001001010111…
…0110000111001110100001
31121012022220101102101211121
42301202111312013032201
53044342023101024301
641540412035212241
72366302565251414
oct261422566071641
947168811371747
1012200221111201
1139840a2838132
121450599447081
136a6625778196
143026cb1b9b7b
151625509be3a1
hexb1895d873a1

12200221111201 has 4 divisors (see below), whose sum is σ = 12200228115012. Its totient is φ = 12200214107392.

The previous prime is 12200221111187. The next prime is 12200221111241. The reversal of 12200221111201 is 10211112200221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10594868760576 + 1605352350625 = 3254976^2 + 1267025^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200221111201 - 225 = 12200187556769 is a prime.

It is a super-4 number, since 4×122002211112014 (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200221111241) 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, 1374105 + ... + 5127241.

It is an arithmetic number, because the mean of its divisors is an integer number (3050057028753).

Almost surely, 212200221111201 is an apocalyptic number.

It is an amenable number.

12200221111201 is a deficient number, since it is larger than the sum of its proper divisors (7003811).

12200221111201 is an equidigital number, since it uses as much as digits as its factorization.

12200221111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003810.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12200221111201 its reverse (10211112200221), we get a palindrome (22411333311422).

The spelling of 12200221111201 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred eleven thousand, two hundred one".

Divisors: 1 3250673 3753137 12200221111201