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121210033300 = 22521212100333
BaseRepresentation
bin111000011100010101…
…1100101010010010100
3102120212100001200010121
41300320223211102110
53441214232031200
6131403315401324
711520461166166
oct1607053452224
9376770050117
10121210033300
114744a9a4044
121b5a8bb3244
13b578ab25c5
145c1bd28936
153246323e1a
hex1c38ae5494

121210033300 has 18 divisors (see below), whose sum is σ = 263025772478. Its totient is φ = 48484013280.

The previous prime is 121210033283. The next prime is 121210033397. The reversal of 121210033300 is 3330012121.

It can be written as a sum of positive squares in 3 ways, for example, as 19791987856 + 101418045444 = 140684^2 + 318462^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606050067 + ... + 606050266.

Almost surely, 2121210033300 is an apocalyptic number.

121210033300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121210033300 is an abundant number, since it is smaller than the sum of its proper divisors (141815739178).

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

121210033300 is a wasteful number, since it uses less digits than its factorization.

121210033300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212100347 (or 1212100340 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121210033300 its reverse (3330012121), we get a palindrome (124540045421).

The spelling of 121210033300 in words is "one hundred twenty-one billion, two hundred ten million, thirty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1212100333 2424200666 4848401332 6060501665 12121003330 24242006660 30302508325 60605016650 121210033300