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212112210110200 = 23521322418019911
BaseRepresentation
bin110000001110101000111000…
…111011111010011011111000
31000211000201200121211100222021
4300032220320323322123320
5210300221301242011300
62031043000515404224
762451413205455461
oct6016507073723370
91024021617740867
10212112210110200
1161649312942814
121b958925bb3674
139148132009a7a
143a54400135d68
15197c7d311ed1a
hexc0ea38efa6f8

212112210110200 has 48 divisors (see below), whose sum is σ = 493164679257360. Its totient is φ = 84844231872000.

The previous prime is 212112210110189. The next prime is 212112210110201. The reversal of 212112210110200 is 2011012211212.

It is a super-2 number, since 2×2121122101102002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112210110201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22438245 + ... + 30458155.

It is an arithmetic number, because the mean of its divisors is an integer number (10274264151195).

Almost surely, 2212112210110200 is an apocalyptic number.

212112210110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112210110200 is an abundant number, since it is smaller than the sum of its proper divisors (281052469147160).

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

212112210110200 is a wasteful number, since it uses less digits than its factorization.

212112210110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152168 (or 8152159 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212112210110200 its reverse (2011012211212), we get a palindrome (214123222321412).

The spelling of 212112210110200 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred ten million, one hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 132241 264482 528964 661205 1057928 1322410 2644820 3306025 5289640 6612050 8019911 13224100 16039822 26448200 32079644 40099555 64159288 80199110 160398220 200497775 320796440 400995550 801991100 1603982200 1060561050551 2121122101102 4242244202204 5302805252755 8484488404408 10605610505510 21211221011020 26514026263775 42422442022040 53028052527550 106056105055100 212112210110200