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201021201120212 = 221114997301315127
BaseRepresentation
bin101101101101001111100101…
…010010001111101111010100
3222100202102212010200222110222
4231231033211102033233110
5202322012404441321322
61551311510453333512
760225205521522614
oct5555174522175724
9870672763628428
10201021201120212
11590626814696a0
121a667309637298
1388222aaa29665
14378d699a94a44
151839051c2de42
hexb6d3e548fbd4

201021201120212 has 48 divisors (see below), whose sum is σ = 386348566665600. Its totient is φ = 90758809008000.

The previous prime is 201021201120199. The next prime is 201021201120287. The reversal of 201021201120212 is 212021102120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637747793 + ... + 638062919.

It is an arithmetic number, because the mean of its divisors is an integer number (8048928472200).

Almost surely, 2201021201120212 is an apocalyptic number.

201021201120212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201021201120212 is a deficient number, since it is larger than the sum of its proper divisors (185327365545388).

201021201120212 is a wasteful number, since it uses less digits than its factorization.

201021201120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412592 (or 412590 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201021201120212 its reverse (212021102120102), we get a palindrome (413042303240314).

The spelling of 201021201120212 in words is "two hundred one trillion, twenty-one billion, two hundred one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 149 298 596 1639 3278 6556 97301 194602 315127 389204 630254 1070311 1260508 2140622 3466397 4281244 6932794 13865588 14497849 28995698 46953923 57991396 93907846 159476339 187815692 318952678 516493153 637905356 1032986306 2065972612 30662172227 61324344454 122648688908 337283894497 674567788994 1349135577988 4568663661823 9137327323646 18274654647292 50255300280053 100510600560106 201021201120212