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221302333200012 = 22318441861100001
BaseRepresentation
bin110010010100010111110110…
…111101010101011010001100
31002000120022000002202212011120
4302110113312331111122030
5213001304134244400022
62102400515515520540
764420365056026401
oct6224276675253214
91060508002685146
10221302333200012
116457187982a249
12209a1a5b759150
139663949b6786c
143c9113925c2a8
151a8b8acac8d5c
hexc945f6f5568c

221302333200012 has 12 divisors (see below), whose sum is σ = 516372110800056. Its totient is φ = 73767444400000.

The previous prime is 221302333199971. The next prime is 221302333200019. The reversal of 221302333200012 is 210002333203122.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (221302333200019) 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, 9220930549989 + ... + 9220930550012.

It is an arithmetic number, because the mean of its divisors is an integer number (43031009233338).

Almost surely, 2221302333200012 is an apocalyptic number.

It is an amenable number.

221302333200012 is an abundant number, since it is smaller than the sum of its proper divisors (295069777600044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221302333200012 is a wasteful number, since it uses less digits than its factorization.

221302333200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18441861100008 (or 18441861100006 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221302333200012 its reverse (210002333203122), we get a palindrome (431304666403134).

The spelling of 221302333200012 in words is "two hundred twenty-one trillion, three hundred two billion, three hundred thirty-three million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 18441861100001 36883722200002 55325583300003 73767444400004 110651166600006 221302333200012