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12041221600 = 255215051527
BaseRepresentation
bin10110011011011011…
…00111010111100000
31011002011200102202101
423031231213113200
5144130023042400
65310501100144
7604251460222
oct131555472740
934064612671
1012041221600
115119a57011
1224006b7654
13119b8683c5
148232ac412
154a71b456a
hex2cdb675e0

12041221600 has 36 divisors (see below), whose sum is σ = 29395634184. Its totient is φ = 4816488320.

The previous prime is 12041221589. The next prime is 12041221613. The reversal of 12041221600 is 612214021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7524964 + ... + 7526563.

It is an arithmetic number, because the mean of its divisors is an integer number (816545394).

Almost surely, 212041221600 is an apocalyptic number.

12041221600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12041221600 is an abundant number, since it is smaller than the sum of its proper divisors (17354412584).

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

12041221600 is a wasteful number, since it uses less digits than its factorization.

12041221600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051547 (or 15051534 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12041221600 its reverse (612214021), we get a palindrome (12653435621).

The spelling of 12041221600 in words is "twelve billion, forty-one million, two hundred twenty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 15051527 30103054 60206108 75257635 120412216 150515270 240824432 301030540 376288175 481648864 602061080 752576350 1204122160 1505152700 2408244320 3010305400 6020610800 12041221600