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101212101211210 = 2511920110011011
BaseRepresentation
bin10111000000110101000111…
…010101101111010001001010
3111021100210010100120212021221
4113000311013111233101022
5101231224340402224320
6555132110350152254
730214222135350403
oct2700650725572112
9437323110525257
10101212101211210
112a2818a15a3370
12b4276bbab268a
13446234c841352
141adc9985829aa
15ba7b5ba6e3aa
hex5c0d4756f44a

101212101211210 has 16 divisors (see below), whose sum is σ = 198743762378592. Its totient is φ = 36804400440400.

The previous prime is 101212101211183. The next prime is 101212101211267. The reversal of 101212101211210 is 12112101212101.

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 7 ways as a sum of consecutive naturals, for example, 460055005396 + ... + 460055005615.

It is an arithmetic number, because the mean of its divisors is an integer number (12421485148662).

Almost surely, 2101212101211210 is an apocalyptic number.

101212101211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212101211210 is a deficient number, since it is larger than the sum of its proper divisors (97531661167382).

101212101211210 is a wasteful number, since it uses less digits than its factorization.

101212101211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920110011029.

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

Adding to 101212101211210 its reverse (12112101212101), we get a palindrome (113324202423311).

The spelling of 101212101211210 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 920110011011 1840220022022 4600550055055 9201100110110 10121210121121 20242420242242 50606050605605 101212101211210