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12122201022 = 235338120129
BaseRepresentation
bin10110100101000101…
…00001101110111110
31011021211001121122020
423102202201232332
5144311240413042
65322512501010
7606254002641
oct132242415676
934254047566
1012122201022
115160737058
12242384a766
1311b257c519
1482dd4ba58
154ae35d3ec
hex2d28a1bbe

12122201022 has 16 divisors (see below), whose sum is σ = 24701844240. Its totient is φ = 3964493312.

The previous prime is 12122200967. The next prime is 12122201029. The reversal of 12122201022 is 22010222121.

It is a junction number, because it is equal to n+sod(n) for n = 12122200992 and 12122201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122201029) 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, 19059747 + ... + 19060382.

It is an arithmetic number, because the mean of its divisors is an integer number (1543865265).

Almost surely, 212122201022 is an apocalyptic number.

12122201022 is an abundant number, since it is smaller than the sum of its proper divisors (12579643218).

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

12122201022 is a wasteful number, since it uses less digits than its factorization.

12122201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38120187.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122201022 its reverse (22010222121), we get a palindrome (34132423143).

The spelling of 12122201022 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, twenty-two".

Divisors: 1 2 3 6 53 106 159 318 38120129 76240258 114360387 228720774 2020366837 4040733674 6061100511 12122201022