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10212322212 = 2234171854089
BaseRepresentation
bin10011000001011001…
…11010101110100100
3222100201021201110000
421200230322232210
5131403323302322
64405205301300
7511033210101
oct114054725644
928321251400
1010212322212
114370653914
121b90104830
13c6999a311
146cc431aa8
153eb84d3ac
hex260b3aba4

10212322212 has 60 divisors (see below), whose sum is σ = 28267456140. Its totient is φ = 3203864064.

The previous prime is 10212322193. The next prime is 10212322273. The reversal of 10212322212 is 21222321201.

It can be written as a sum of positive squares in 2 ways, for example, as 9353597796 + 858724416 = 96714^2 + 29304^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 921537 + ... + 932552.

It is an arithmetic number, because the mean of its divisors is an integer number (471124269).

Almost surely, 210212322212 is an apocalyptic number.

10212322212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212322212 is an abundant number, since it is smaller than the sum of its proper divisors (18055133928).

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

10212322212 is a wasteful number, since it uses less digits than its factorization.

10212322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854122 (or 1854111 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10212322212 its reverse (21222321201), we get a palindrome (31434643413).

The spelling of 10212322212 in words is "ten billion, two hundred twelve million, three hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 81 102 108 153 162 204 306 324 459 612 918 1377 1836 2754 5508 1854089 3708178 5562267 7416356 11124534 16686801 22249068 31519513 33373602 50060403 63039026 66747204 94558539 100120806 126078052 150181209 189117078 200241612 283675617 300362418 378234156 567351234 600724836 851026851 1134702468 1702053702 2553080553 3404107404 5106161106 10212322212