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20120212120003 = 281164267435889
BaseRepresentation
bin1001001001100100110100…
…00110001010000111000011
32122020110210011202221002121
410210302122012022013003
510114122143300320003
6110443033045025111
74144431420130642
oct444623206120703
978213704687077
1020120212120003
116457a30233046
12230b5223b5197
13b2c435409ba8
144d7b7581d359
1524d58d78bcbd
hex124c9a18a1c3

20120212120003 has 8 divisors (see below), whose sum is σ = 20191983542640. Its totient is φ = 20048441898240.

The previous prime is 20120212119971. The next prime is 20120212120093. The reversal of 20120212120003 is 30002121202102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120212120003 - 25 = 20120212119971 is a prime.

It is a super-3 number, since 3×201202121200033 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120212120093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45941083 + ... + 46376971.

It is an arithmetic number, because the mean of its divisors is an integer number (2523997942830).

Almost surely, 220120212120003 is an apocalyptic number.

20120212120003 is a deficient number, since it is larger than the sum of its proper divisors (71771422637).

20120212120003 is a wasteful number, since it uses less digits than its factorization.

20120212120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600437.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20120212120003 its reverse (30002121202102), we get a palindrome (50122333322105).

The spelling of 20120212120003 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty thousand, three".

Divisors: 1 281 164267 435889 46159027 122484809 71602178363 20120212120003