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212200120200 = 23352353666867
BaseRepresentation
bin1100010110100000011…
…1001101111110001000
3202021201120222000011010
43011220013031332020
511434041212321300
6241252225003520
721221342155365
oct3055007157610
9667646860133
10212200120200
1181aa2488072
12351614835a0
1317019a80903
14a3b051346c
1557be574a50
hex31681cdf88

212200120200 has 48 divisors (see below), whose sum is σ = 657820374480. Its totient is φ = 56586698560.

The previous prime is 212200120199. The next prime is 212200120229. The reversal of 212200120200 is 2021002212.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 176832834 + ... + 176834033.

It is an arithmetic number, because the mean of its divisors is an integer number (13704591135).

Almost surely, 2212200120200 is an apocalyptic number.

212200120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200120200 is an abundant number, since it is smaller than the sum of its proper divisors (445620254280).

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

212200120200 is a wasteful number, since it uses less digits than its factorization.

212200120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353666886 (or 353666877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212200120200 its reverse (2021002212), we get a palindrome (214221122412).

The spelling of 212200120200 in words is "two hundred twelve billion, two hundred million, one hundred twenty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 353666867 707333734 1061000601 1414667468 1768334335 2122001202 2829334936 3536668670 4244002404 5305003005 7073337340 8488004808 8841671675 10610006010 14146674680 17683343350 21220012020 26525015025 35366686700 42440024040 53050030050 70733373400 106100060100 212200120200