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212300012210223 = 3778791283097397
BaseRepresentation
bin110000010001010111110010…
…110100000100100000101111
31000211200200102212121112101110
4300101113302310010200233
5210311310411111211343
62031305140150243103
762501112133126050
oct6021276264044057
91024620385545343
10212300012210223
1161710a25274143
121b9891b8656493
13915ca61193c42
143a5d538202727
151982625781833
hexc115f2d0482f

212300012210223 has 16 divisors (see below), whose sum is σ = 323545839879680. Its totient is φ = 121298895428256.

The previous prime is 212300012210161. The next prime is 212300012210303. The reversal of 212300012210223 is 322012210003212.

It is not a de Polignac number, because 212300012210223 - 29 = 212300012209711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212300012210223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300012010223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641383240 + ... + 641714157.

It is an arithmetic number, because the mean of its divisors is an integer number (20221614992480).

Almost surely, 2212300012210223 is an apocalyptic number.

212300012210223 is a deficient number, since it is larger than the sum of its proper divisors (111245827669457).

212300012210223 is a wasteful number, since it uses less digits than its factorization.

212300012210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283105286.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212300012210223 its reverse (322012210003212), we get a palindrome (534312222213435).

The spelling of 212300012210223 in words is "two hundred twelve trillion, three hundred billion, twelve million, two hundred ten thousand, two hundred twenty-three".

Divisors: 1 3 7 21 7879 23637 55153 165459 1283097397 3849292191 8981681779 26945045337 10109524390963 30328573172889 70766670736741 212300012210223