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12102020012 = 224549766499
BaseRepresentation
bin10110100010101011…
…00010101110101100
31011020102002022111102
423101111202232230
5144241104120022
65320512142232
7605620321115
oct132125425654
934212068442
1012102020012
115150302835
122418b37978
1311ab3348b4
1482b3b720c
154ac6c3a92
hex2d1562bac

12102020012 has 12 divisors (see below), whose sum is σ = 21179319000. Its totient is φ = 6050786016.

The previous prime is 12102020003. The next prime is 12102020023. The reversal of 12102020012 is 21002020121.

It is a happy number.

12102020012 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 = 12102019975 and 12102020002.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 148739 + ... + 215237.

It is an arithmetic number, because the mean of its divisors is an integer number (1764943250).

Almost surely, 212102020012 is an apocalyptic number.

It is an amenable number.

12102020012 is a deficient number, since it is larger than the sum of its proper divisors (9077298988).

12102020012 is a wasteful number, since it uses less digits than its factorization.

12102020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112000 (or 111998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12102020012 its reverse (21002020121), we get a palindrome (33104040133).

The spelling of 12102020012 in words is "twelve billion, one hundred two million, twenty thousand, twelve".

Divisors: 1 2 4 45497 66499 90994 132998 181988 265996 3025505003 6051010006 12102020012