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12201010020212 = 2213234634808081
BaseRepresentation
bin1011000110001100010011…
…0111100011111101110100
31121012101221100220010112212
42301203010313203331310
53044400132031121322
641541022220232552
72366331255002606
oct261430467437564
947171840803485
1012201010020212
113984468093152
12145077969b758
136a6720046a50
14302763c99176
15162599da50e2
hexb18c4de3f74

12201010020212 has 12 divisors (see below), whose sum is σ = 22994211192036. Its totient is φ = 5631235393920.

The previous prime is 12201010020193. The next prime is 12201010020217. The reversal of 12201010020212 is 21202001010221.

It can be written as a sum of positive squares in 2 ways, for example, as 7664680842256 + 4536329177956 = 2768516^2 + 2129866^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201010020217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117317403989 + ... + 117317404092.

It is an arithmetic number, because the mean of its divisors is an integer number (1916184266003).

Almost surely, 212201010020212 is an apocalyptic number.

It is an amenable number.

12201010020212 is a deficient number, since it is larger than the sum of its proper divisors (10793201171824).

12201010020212 is a wasteful number, since it uses less digits than its factorization.

12201010020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234634808098 (or 234634808096 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201010020212 its reverse (21202001010221), we get a palindrome (33403011030433).

Subtracting 12201010020212 from its reverse (21202001010221), we obtain a palindrome (9000990990009).

The spelling of 12201010020212 in words is "twelve trillion, two hundred one billion, ten million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 234634808081 469269616162 938539232324 3050252505053 6100505010106 12201010020212