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201012120212 = 22101497554753
BaseRepresentation
bin1011101100110101000…
…0011000101010010100
3201012211212202201102012
42323031100120222110
511243133100321322
6232202123203352
720344160554541
oct2731520305224
9635755681365
10201012120212
1178281113092
1232b5a676558
1315c55c10c87
149a2c6a5bc8
15536724bae2
hex2ecd418a94

201012120212 has 12 divisors (see below), whose sum is σ = 355254094356. Its totient is φ = 99510950400.

The previous prime is 201012120173. The next prime is 201012120217. The reversal of 201012120212 is 212021210102.

It can be written as a sum of positive squares in 2 ways, for example, as 194334615556 + 6677504656 = 440834^2 + 81716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012120217) 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 3 ways as a sum of consecutive naturals, for example, 248776973 + ... + 248777780.

It is an arithmetic number, because the mean of its divisors is an integer number (29604507863).

Almost surely, 2201012120212 is an apocalyptic number.

It is an amenable number.

201012120212 is a deficient number, since it is larger than the sum of its proper divisors (154241974144).

201012120212 is a wasteful number, since it uses less digits than its factorization.

201012120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497554858 (or 497554856 counting only the distinct ones).

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

Adding to 201012120212 its reverse (212021210102), we get a palindrome (413033330314).

The spelling of 201012120212 in words is "two hundred one billion, twelve million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 497554753 995109506 1990219012 50253030053 100506060106 201012120212