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212020011100000 = 25552120200111
BaseRepresentation
bin110000001101010011000001…
…011100100110011101100000
31000210200220201010010100221201
4300031103001130212131200
5210242213440320200000
62030532352022530544
762441640345014455
oct6015230134463540
91023626633110851
10212020011100000
11616131aaa08824
121b942a94896a54
13913c52a74182c
143a4db7517782c
15197a1d8bbe96a
hexc0d4c1726760

212020011100000 has 72 divisors (see below), whose sum is σ = 521734603160736. Its totient is φ = 84808004400000.

The previous prime is 212020011099997. The next prime is 212020011100043. The reversal of 212020011100000 is 1110020212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 212020011100000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060000056 + ... + 1060200055.

It is an arithmetic number, because the mean of its divisors is an integer number (7246313932788).

Almost surely, 2212020011100000 is an apocalyptic number.

212020011100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020011100000 is an abundant number, since it is smaller than the sum of its proper divisors (309714592060736).

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

212020011100000 is an frugal number, since it uses more digits than its factorization.

212020011100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120200146 (or 2120200118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212020011100000 its reverse (1110020212), we get a palindrome (212021121120212).

The spelling of 212020011100000 in words is "two hundred twelve trillion, twenty billion, eleven million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 2120200111 4240400222 8480800444 10601000555 16961600888 21202001110 33923201776 42404002220 53005002775 67846403552 84808004440 106010005550 169616008880 212020011100 265025013875 339232017760 424040022200 530050027750 848080044400 1060100055500 1325125069375 1696160088800 2120200111000 2650250138750 4240400222000 5300500277500 6625625346875 8480800444000 10601000555000 13251250693750 21202001110000 26502501387500 42404002220000 53005002775000 106010005550000 212020011100000