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101212211210 = 25114192195969
BaseRepresentation
bin101111001000010110…
…1111100100000001010
3100200020122122001102012
41132100231330200022
53124240311224320
6114255104535522
710212063412655
oct1362055744012
9320218561365
10101212211210
1139a18722350
12177479215a2
13970c9bb096
144c8204c89c
1529758884c5
hex1790b7c80a

101212211210 has 32 divisors (see below), whose sum is σ = 199218398400. Its totient is φ = 36716584960.

The previous prime is 101212211153. The next prime is 101212211281. The reversal of 101212211210 is 12112212101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051895 + ... + 1144074.

It is an arithmetic number, because the mean of its divisors is an integer number (6225574950).

Almost surely, 2101212211210 is an apocalyptic number.

101212211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212211210 is a deficient number, since it is larger than the sum of its proper divisors (98006187190).

101212211210 is a wasteful number, since it uses less digits than its factorization.

101212211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196406.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101212211210 its reverse (12112212101), we get a palindrome (113324423311).

The spelling of 101212211210 in words is "one hundred one billion, two hundred twelve million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 419 838 2095 4190 4609 9218 23045 46090 2195969 4391938 10979845 21959690 24155659 48311318 120778295 241556590 920111011 1840222022 4600555055 9201110110 10121221121 20242442242 50606105605 101212211210