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212212102011 = 37131077264801
BaseRepresentation
bin1100010110100011010…
…0111011001101111011
3202021202102111202002220
43011220310323031323
511434102244231021
6241253333455123
721221546050650
oct3055064731573
9667672452086
10212212102011
1181aa9221198
12351654a14a3
131701c3b7540
14a3b1d51c27
1557c063ecc6
hex3168d3b37b

212212102011 has 32 divisors (see below), whose sum is σ = 351500179968. Its totient is φ = 110889907200.

The previous prime is 212212102001. The next prime is 212212102031. The reversal of 212212102011 is 110201212212.

It is not a de Polignac number, because 212212102011 - 26 = 212212101947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212212102001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3603190 + ... + 3661611.

It is an arithmetic number, because the mean of its divisors is an integer number (10984380624).

Almost surely, 2212212102011 is an apocalyptic number.

212212102011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212212102011 is a deficient number, since it is larger than the sum of its proper divisors (139288077957).

212212102011 is a wasteful number, since it uses less digits than its factorization.

212212102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264931.

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

Adding to 212212102011 its reverse (110201212212), we get a palindrome (322413314223).

The spelling of 212212102011 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, eleven".

Divisors: 1 3 7 13 21 39 91 107 273 321 749 1391 2247 4173 9737 29211 7264801 21794403 50853607 94442413 152560821 283327239 661096891 777333707 1983290673 2332001121 5441335949 10105338191 16324007847 30316014573 70737367337 212212102011