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12122011002 = 2311091821763
BaseRepresentation
bin10110100101000011…
…10011010101111010
31011021210200221222110
423102201303111322
5144311213323002
65322504433150
7606252251643
oct132241632572
934253627873
1012122011002
115160617312
1224237787b6
1311b2513b9a
1482dcdc6ca
154ae321e6c
hex2d287357a

12122011002 has 16 divisors (see below), whose sum is σ = 24265896480. Its totient is φ = 4037024592.

The previous prime is 12122010961. The next prime is 12122011009. The reversal of 12122011002 is 20011022121.

It is not an unprimeable number, because it can be changed into a prime (12122011009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904228 + ... + 917535.

It is an arithmetic number, because the mean of its divisors is an integer number (1516618530).

Almost surely, 212122011002 is an apocalyptic number.

12122011002 is an abundant number, since it is smaller than the sum of its proper divisors (12143885478).

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

12122011002 is a wasteful number, since it uses less digits than its factorization.

12122011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822877.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12122011002 its reverse (20011022121), we get a palindrome (32133033123).

The spelling of 12122011002 in words is "twelve billion, one hundred twenty-two million, eleven thousand, two".

Divisors: 1 2 3 6 1109 2218 3327 6654 1821763 3643526 5465289 10930578 2020335167 4040670334 6061005501 12122011002