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12123001022 = 21129122915461
BaseRepresentation
bin10110100101001011…
…00101000010111110
31011021212120021000212
423102211211002332
5144311442013042
65322541552422
7606263544206
oct132245450276
934255507025
1012123001022
115161133110
122423b75712
1311b279c6b2
148300b9406
154ae46a482
hex2d29650be

12123001022 has 32 divisors (see below), whose sum is σ = 20539720800. Its totient is φ = 5315766400.

The previous prime is 12123001021. The next prime is 12123001063. The reversal of 12123001022 is 22010032121.

It is a happy number.

12123001022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12123000988 and 12123001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123001021) 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, 776372 + ... + 791832.

It is an arithmetic number, because the mean of its divisors is an integer number (641866275).

Almost surely, 212123001022 is an apocalyptic number.

12123001022 is a deficient number, since it is larger than the sum of its proper divisors (8416719778).

12123001022 is a wasteful number, since it uses less digits than its factorization.

12123001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16732.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12123001022 its reverse (22010032121), we get a palindrome (34133033143).

The spelling of 12123001022 in words is "twelve billion, one hundred twenty-three million, one thousand, twenty-two".

Divisors: 1 2 11 22 29 58 319 638 1229 2458 13519 15461 27038 30922 35641 71282 170071 340142 392051 448369 784102 896738 4932059 9864118 19001569 38003138 209017259 418034518 551045501 1102091002 6061500511 12123001022