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101212212102 = 23145431159919
BaseRepresentation
bin101111001000010110…
…1111100101110000110
3100200020122122002122020
41132100231330232012
53124240311241402
6114255104544010
710212063415401
oct1362055745606
9320218562566
10101212212102
1139a18722a91
1217747922006
13970c9bb601
144c8204cd38
1529758888bc
hex1790b7cb86

101212212102 has 16 divisors (see below), whose sum is σ = 202438517760. Its totient is φ = 33735055112.

The previous prime is 101212212043. The next prime is 101212212121. The reversal of 101212212102 is 201212212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492702 + ... + 667217.

It is an arithmetic number, because the mean of its divisors is an integer number (12652407360).

Almost surely, 2101212212102 is an apocalyptic number.

101212212102 is an abundant number, since it is smaller than the sum of its proper divisors (101226305658).

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

101212212102 is a wasteful number, since it uses less digits than its factorization.

101212212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174467.

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

Adding to 101212212102 its reverse (201212212101), we get a palindrome (302424424203).

Subtracting 101212212102 from its reverse (201212212101), we obtain a palindrome (99999999999).

The spelling of 101212212102 in words is "one hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 14543 29086 43629 87258 1159919 2319838 3479757 6959514 16868702017 33737404034 50606106051 101212212102