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212010211211010 = 23516942741711221
BaseRepresentation
bin110000001101001001111001…
…010100111111011100000010
31000210122222102010220102112020
4300031021321110333130002
5210242033403032223020
62030524051345142310
762441142450231522
oct6015117124773402
91023588363812466
10212010211211010
116160a031152113
121b940bba92a996
13913b62834a054
143a4d4c5825682
151979d1368dc40
hexc0d27953f702

212010211211010 has 32 divisors (see below), whose sum is σ = 508827522313152. Its totient is φ = 56535721277760.

The previous prime is 212010211211003. The next prime is 212010211211011. The reversal of 212010211211010 is 10112112010212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (212010211211011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15772801 + ... + 25938420.

It is an arithmetic number, because the mean of its divisors is an integer number (15900860072286).

Almost surely, 2212010211211010 is an apocalyptic number.

212010211211010 is an abundant number, since it is smaller than the sum of its proper divisors (296817311102142).

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

212010211211010 is a wasteful number, since it uses less digits than its factorization.

212010211211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41880658.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212010211211010 its reverse (10112112010212), we get a palindrome (222122323221222).

The spelling of 212010211211010 in words is "two hundred twelve trillion, ten billion, two hundred eleven million, two hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 169427 338854 508281 847135 1016562 1694270 2541405 5082810 41711221 83422442 125133663 208556105 250267326 417112210 625668315 1251336630 7067007040367 14134014080734 21201021121101 35335035201835 42402042242202 70670070403670 106005105605505 212010211211010