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12021422330 = 251770714249
BaseRepresentation
bin10110011001000100…
…00101100011111010
31011000210102112021002
423030202011203322
5144104441003310
65304512445002
7603621255341
oct131442054372
934023375232
1012021422330
115109863585
1223b5b49762
131197725468
148207d6b58
154a55a2da5
hex2cc8858fa

12021422330 has 16 divisors (see below), whose sum is σ = 22911417000. Its totient is φ = 4525711872.

The previous prime is 12021422293. The next prime is 12021422377. The reversal of 12021422330 is 3322412021.

It can be written as a sum of positive squares in 4 ways, for example, as 10083573889 + 1937848441 = 100417^2 + 44021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35356955 + ... + 35357294.

Almost surely, 212021422330 is an apocalyptic number.

12021422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021422330 is a deficient number, since it is larger than the sum of its proper divisors (10889994670).

12021422330 is a wasteful number, since it uses less digits than its factorization.

12021422330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70714273.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12021422330 its reverse (3322412021), we get a palindrome (15343834351).

The spelling of 12021422330 in words is "twelve billion, twenty-one million, four hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 70714249 141428498 353571245 707142490 1202142233 2404284466 6010711165 12021422330