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12121023033 = 337231295541
BaseRepresentation
bin10110100100111100…
…00010001000111001
31011021201211202202000
423102132002020321
5144310440214113
65322431331213
7606240665400
oct132236021071
934251752660
1012121023033
115160002009
122423380b09
1311b22592a2
1482db22637
154ae1c9373
hex2d2782239

12121023033 has 48 divisors (see below), whose sum is σ = 21562744320. Its totient is φ = 6702847200.

The previous prime is 12121023017. The next prime is 12121023037. The reversal of 12121023033 is 33032012121.

It is not a de Polignac number, because 12121023033 - 24 = 12121023017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121022997 and 12121023015.

It is not an unprimeable number, because it can be changed into a prime (12121023037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106758 + ... + 188783.

It is an arithmetic number, because the mean of its divisors is an integer number (449223840).

Almost surely, 212121023033 is an apocalyptic number.

It is an amenable number.

12121023033 is a deficient number, since it is larger than the sum of its proper divisors (9441721287).

12121023033 is a wasteful number, since it uses less digits than its factorization.

12121023033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295595 (or 295582 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12121023033 its reverse (33032012121), we get a palindrome (45153035154).

The spelling of 12121023033 in words is "twelve billion, one hundred twenty-one million, twenty-three thousand, thirty-three".

Divisors: 1 3 7 9 21 27 31 49 63 93 147 189 217 279 441 651 837 1323 1519 1953 4557 5859 13671 41013 295541 886623 2068787 2659869 6206361 7979607 9161771 14481509 18619083 27485313 43444527 55857249 64132397 82455939 130333581 192397191 247367817 391000743 448926779 577191573 1346780337 1731574719 4040341011 12121023033