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221200120001202 = 2353947734527837
BaseRepresentation
bin110010010010111000101010…
…100100111011001010110010
31002000012112011200121100220120
4302102320222210323022302
5212443120321210014302
62102241533212151110
764410116116130256
oct6222705244731262
91060175150540816
10221200120001202
116453249807a121
1220986094768496
13965710a984c34
143c8a2002c6266
151a88dc94169bc
hexc92e2a93b2b2

221200120001202 has 32 divisors (see below), whose sum is σ = 451223388994752. Its totient is φ = 72265786617024.

The previous prime is 221200120001197. The next prime is 221200120001213. The reversal of 221200120001202 is 202100021002122.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 366962773 + ... + 367565064.

It is an arithmetic number, because the mean of its divisors is an integer number (14100730906086).

Almost surely, 2221200120001202 is an apocalyptic number.

221200120001202 is an abundant number, since it is smaller than the sum of its proper divisors (230023268993550).

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

221200120001202 is a wasteful number, since it uses less digits than its factorization.

221200120001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734528842.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221200120001202 its reverse (202100021002122), we get a palindrome (423300141003324).

The spelling of 221200120001202 in words is "two hundred twenty-one trillion, two hundred billion, one hundred twenty million, one thousand, two hundred two".

Divisors: 1 2 3 6 53 106 159 318 947 1894 2841 5682 50191 100382 150573 301146 734527837 1469055674 2203583511 4407167022 38929975361 77859950722 116789926083 233579852166 695597861639 1391195723278 2086793584917 4173587169834 36866686666867 73733373333734 110600060000601 221200120001202