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121233912284 = 2231977692841
BaseRepresentation
bin111000011101000011…
…0101011000111011100
3102120220222222211221102
41300322012223013130
53441241340143114
6131405531252232
711521201152212
oct1607206530734
9376828884842
10121233912284
1147462423741
121b5b4baa078
13b580a23494
145c21182cb2
15324848e2de
hex1c3a1ab1dc

121233912284 has 12 divisors (see below), whose sum is σ = 219003196608. Its totient is φ = 58661570400.

The previous prime is 121233912281. The next prime is 121233912299. The reversal of 121233912284 is 482219332121.

It is a super-2 number, since 2×1212339122842 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233912281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488846297 + ... + 488846544.

It is an arithmetic number, because the mean of its divisors is an integer number (18250266384).

Almost surely, 2121233912284 is an apocalyptic number.

It is an amenable number.

121233912284 is a deficient number, since it is larger than the sum of its proper divisors (97769284324).

121233912284 is a wasteful number, since it uses less digits than its factorization.

121233912284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977692876 (or 977692874 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The spelling of 121233912284 in words is "one hundred twenty-one billion, two hundred thirty-three million, nine hundred twelve thousand, two hundred eighty-four".

Divisors: 1 2 4 31 62 124 977692841 1955385682 3910771364 30308478071 60616956142 121233912284