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12202010212212 = 223331149220711083
BaseRepresentation
bin1011000110010000000001…
…1110111111011101110100
31121012111112001221011001000
42301210000132333131310
53044404204103242322
641541305350003300
72366365121333352
oct261440036773564
947174461834030
1012202010212212
113984930728207
1214509b8646530
136a684c320432
1430281aa567d2
15162607ac33ac
hexb19007bf774

12202010212212 has 192 divisors, whose sum is σ = 32892346368000. Its totient is φ = 3907591217280.

The previous prime is 12202010212123. The next prime is 12202010212229. The reversal of 12202010212212 is 21221201020221.

It is a happy number.

12202010212212 is a `hidden beast` number, since 1 + 220 + 20 + 1 + 0 + 212 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1100960823 + ... + 1100971905.

It is an arithmetic number, because the mean of its divisors is an integer number (171314304000).

Almost surely, 212202010212212 is an apocalyptic number.

12202010212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202010212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16446173184000).

12202010212212 is an abundant number, since it is smaller than the sum of its proper divisors (20690336155788).

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

12202010212212 is a wasteful number, since it uses less digits than its factorization.

12202010212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13483 (or 13475 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12202010212212 its reverse (21221201020221), we get a palindrome (33423211232433).

The spelling of 12202010212212 in words is "twelve trillion, two hundred two billion, ten million, two hundred twelve thousand, two hundred twelve".