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12102020010 = 23251783157607
BaseRepresentation
bin10110100010101011…
…00010101110101010
31011020102002022111100
423101111202232222
5144241104120020
65320512142230
7605620321113
oct132125425652
934212068440
1012102020010
115150302833
122418b37976
1311ab3348b2
1482b3b720a
154ac6c3a90
hex2d1562baa

12102020010 has 192 divisors, whose sum is σ = 33988211712. Its totient is φ = 2976749568.

The previous prime is 12102020003. The next prime is 12102020023. The reversal of 12102020010 is 1002020121.

12102020010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12102019974 and 12102020001.

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 95 ways as a sum of consecutive naturals, for example, 19937127 + ... + 19937733.

It is an arithmetic number, because the mean of its divisors is an integer number (177021936).

Almost surely, 212102020010 is an apocalyptic number.

12102020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16994105856).

12102020010 is an abundant number, since it is smaller than the sum of its proper divisors (21886191702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102020010 is a wasteful number, since it uses less digits than its factorization.

12102020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12102020010 its reverse (1002020121), we get a palindrome (13104040131).

The spelling of 12102020010 in words is "twelve billion, one hundred two million, twenty thousand, ten".