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12122422202 = 2114391255169
BaseRepresentation
bin10110100101000110…
…10111101110111010
31011021211110212001002
423102203113232322
5144311320002302
65322521325002
7606255613532
oct132243275672
934254425032
1012122422202
115160878250
122423936762
1311b26290b7
1482dda84c2
154ae3a3c02
hex2d28d7bba

12122422202 has 16 divisors (see below), whose sum is σ = 19881892800. Its totient is φ = 5497635840.

The previous prime is 12122422183. The next prime is 12122422217. The reversal of 12122422202 is 20222422121.

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, 617927 + ... + 637242.

It is an arithmetic number, because the mean of its divisors is an integer number (1242618300).

Almost surely, 212122422202 is an apocalyptic number.

12122422202 is a deficient number, since it is larger than the sum of its proper divisors (7759470598).

12122422202 is a wasteful number, since it uses less digits than its factorization.

12122422202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255621.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12122422202 its reverse (20222422121), we get a palindrome (32344844323).

The spelling of 12122422202 in words is "twelve billion, one hundred twenty-two million, four hundred twenty-two thousand, two hundred two".

Divisors: 1 2 11 22 439 878 4829 9658 1255169 2510338 13806859 27613718 551019191 1102038382 6061211101 12122422202