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212011200221010 = 2358979404943903
BaseRepresentation
bin110000001101001010110100…
…010001110000111101010010
31000210200001222001220100012020
4300031022310101300331102
5210242042414224033020
62030524333435112310
762441206116540561
oct6015126421607522
91023601861810166
10212011200221010
116160a499449a53
121b941235ba2696
13913b755209b78
143a4d57ad11bd8
151979d703edc40
hexc0d2b4470f52

212011200221010 has 32 divisors (see below), whose sum is σ = 514544036497920. Its totient is φ = 55901080507008.

The previous prime is 212011200221003. The next prime is 212011200221011. The reversal of 212011200221010 is 10122002110212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212011200221011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39702469282 + ... + 39702474621.

It is an arithmetic number, because the mean of its divisors is an integer number (16079501140560).

Almost surely, 2212011200221010 is an apocalyptic number.

212011200221010 is an abundant number, since it is smaller than the sum of its proper divisors (302532836276910).

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

212011200221010 is a wasteful number, since it uses less digits than its factorization.

212011200221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79404944002.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212011200221010 its reverse (10122002110212), we get a palindrome (222133202331222).

The spelling of 212011200221010 in words is "two hundred twelve trillion, eleven billion, two hundred million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670 79404943903 158809887806 238214831709 397024719515 476429663418 794049439030 1191074158545 2382148317090 7067040007367 14134080014734 21201120022101 35335200036835 42402240044202 70670400073670 106005600110505 212011200221010