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210101220220012 = 221119251317249067
BaseRepresentation
bin101111110001011000000000…
…100110010001110001101100
31000112220110222021120020211021
4233301120000212101301230
5210014244244334020022
62022503100151103524
762153212045442302
oct5761300046216154
91015813867506737
10210101220220012
1160a43477539860
121b693035671ba4
1390305c997a8c4
1439c4d4bc88272
1519453353ed7c7
hexbf1600991c6c

210101220220012 has 24 divisors (see below), whose sum is σ = 422212978434240. Its totient is φ = 90474209663760.

The previous prime is 210101220219971. The next prime is 210101220220081. The reversal of 210101220220012 is 210022022101012.

It is a happy 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, 125658623698 + ... + 125658625369.

It is an arithmetic number, because the mean of its divisors is an integer number (17592207434760).

Almost surely, 2210101220220012 is an apocalyptic number.

210101220220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210101220220012 is an abundant number, since it is smaller than the sum of its proper divisors (212111758214228).

210101220220012 is a wasteful number, since it uses less digits than its factorization.

210101220220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251317249101 (or 251317249099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210101220220012 its reverse (210022022101012), we get a palindrome (420123242321024).

The spelling of 210101220220012 in words is "two hundred ten trillion, one hundred one billion, two hundred twenty million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 251317249067 502634498134 1005268996268 2764489739737 4775027732273 5528979479474 9550055464546 11057958958948 19100110929092 52525305055003 105050610110006 210101220220012