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212202200120 = 23517312062059
BaseRepresentation
bin1100010110100000111…
…1001001110000111000
3202021201201212200021012
43011220033021300320
511434042230400440
6241252341333052
721221365640321
oct3055017116070
9667651780235
10212202200120
1181aa3678809
1235162107188
131701a32b531
14a3b08d5448
1557be835e65
hex31683c9c38

212202200120 has 32 divisors (see below), whose sum is σ = 505540537200. Its totient is φ = 79887886848.

The previous prime is 212202200117. The next prime is 212202200129. The reversal of 212202200120 is 21002202212.

It is a junction number, because it is equal to n+sod(n) for n = 212202200095 and 212202200104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202200129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 156030350 + ... + 156031709.

Almost surely, 2212202200120 is an apocalyptic number.

212202200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202200120 is an abundant number, since it is smaller than the sum of its proper divisors (293338337080).

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

212202200120 is a wasteful number, since it uses less digits than its factorization.

212202200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312062087 (or 312062083 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212202200120 its reverse (21002202212), we get a palindrome (233204402332).

The spelling of 212202200120 in words is "two hundred twelve billion, two hundred two million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 312062059 624124118 1248248236 1560310295 2496496472 3120620590 5305055003 6241241180 10610110006 12482482360 21220220012 26525275015 42440440024 53050550030 106101100060 212202200120