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12102012000 = 25325313191361
BaseRepresentation
bin10110100010101011…
…00000110001100000
31011020102001220111200
423101111200301200
5144241103341000
65320512041200
7605620255551
oct132125406140
934212056450
1012102012000
1151502a7811
122418b33200
1311ab331060
1482b3b4328
154ac6c1500
hex2d1560c60

12102012000 has 576 divisors, whose sum is σ = 48724079040. Its totient is φ = 2820096000.

The previous prime is 12102011989. The next prime is 12102012023. The reversal of 12102012000 is 21020121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8891320 + ... + 8892680.

It is an arithmetic number, because the mean of its divisors is an integer number (84590415).

Almost surely, 212102012000 is an apocalyptic number.

12102012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24362039520).

12102012000 is an abundant number, since it is smaller than the sum of its proper divisors (36622067040).

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

12102012000 is a wasteful number, since it uses less digits than its factorization.

12102012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 1403 counting only the distinct ones).

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

Adding to 12102012000 its reverse (21020121), we get a palindrome (12123032121).

It can be divided in two parts, 1210201 and 2000, that added together give a square (1212201 = 11012).

The spelling of 12102012000 in words is "twelve billion, one hundred two million, twelve thousand".