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BaseRepresentation
bin1100010101110011110…
…1111000011011100100
3202021020120002120122000
43011130331320123210
511433200324421200
6241221505005300
721213611546046
oct3053475703344
9667216076560
10212013123300
1181a06976580
123510a923830
1316cba0ca064
14a393757a96
1557ace38300
hex315cf786e4

212013123300 has 144 divisors (see below), whose sum is σ = 743545118400. Its totient is φ = 51397113600.

The previous prime is 212013123239. The next prime is 212013123317. The reversal of 212013123300 is 3321310212.

212013123300 is a `hidden beast` number, since 2 + 1 + 20 + 1 + 312 + 330 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 3539545 + ... + 3598944.

Almost surely, 2212013123300 is an apocalyptic number.

212013123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212013123300 is an abundant number, since it is smaller than the sum of its proper divisors (531531995100).

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

212013123300 is a wasteful number, since it uses less digits than its factorization.

212013123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138523 (or 7138510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212013123300 its reverse (3321310212), we get a palindrome (215334433512).

The spelling of 212013123300 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three hundred".