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12120213033 = 331074195297
BaseRepresentation
bin10110100100110101…
…11100011000101001
31011021200022121122000
423102122330120221
5144310233304113
65322402121213
7606231053025
oct132232743051
934250277560
1012120213033
11515a5a9495
122423050209
1311b20346b6
1482d991385
154ae0b9373
hex2d26bc629

12120213033 has 16 divisors (see below), whose sum is σ = 18123687360. Its totient is φ = 8004624768.

The previous prime is 12120213023. The next prime is 12120213047. The reversal of 12120213033 is 33031202121.

12120213033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12120213033 - 210 = 12120212009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12120212997 and 12120213015.

It is not an unprimeable number, because it can be changed into a prime (12120213023) 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 15 ways as a sum of consecutive naturals, for example, 2094760 + ... + 2100537.

It is an arithmetic number, because the mean of its divisors is an integer number (1132730460).

Almost surely, 212120213033 is an apocalyptic number.

It is an amenable number.

12120213033 is a deficient number, since it is larger than the sum of its proper divisors (6003474327).

12120213033 is a wasteful number, since it uses less digits than its factorization.

12120213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195413 (or 4195407 counting only the distinct ones).

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

Adding to 12120213033 its reverse (33031202121), we get a palindrome (45151415154).

The spelling of 12120213033 in words is "twelve billion, one hundred twenty million, two hundred thirteen thousand, thirty-three".

Divisors: 1 3 9 27 107 321 963 2889 4195297 12585891 37757673 113273019 448896779 1346690337 4040071011 12120213033