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12122021021110 = 25711313101197503
BaseRepresentation
bin1011000001100110000011…
…0000011100010110110110
31120220212001111011020001121
42300121200300130112312
53042101344340133420
641440440220014154
72360533660410520
oct260314060342666
946825044136047
1012122021021110
113953a13934000
1214393b439135a
1369c142501420
142dc9cd4d2a10
151604c553c2aa
hexb0660c1c5b6

12122021021110 has 512 divisors, whose sum is σ = 30041907388416. Its totient is φ = 3428764416000.

The previous prime is 12122021021093. The next prime is 12122021021147. The reversal of 12122021021110 is 1112012022121.

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 255 ways as a sum of consecutive naturals, for example, 24099445119 + ... + 24099445621.

It is an arithmetic number, because the mean of its divisors is an integer number (58675600368).

Almost surely, 212122021021110 is an apocalyptic number.

12122021021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122021021110 is an abundant number, since it is smaller than the sum of its proper divisors (17919886367306).

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

12122021021110 is a wasteful number, since it uses less digits than its factorization.

12122021021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122021021110 its reverse (1112012022121), we get a palindrome (13234033043231).

The spelling of 12122021021110 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred ten".