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12122120011002 = 237128455680777
BaseRepresentation
bin1011000001100110011010…
…1010000011110011111010
31120220212022101102102122220
42300121212222003303322
53042102100210323002
641440454113424510
72360536301665011
oct260314652036372
946825271372586
1012122120011002
113953a647a5631
12143942156b136
1369c159b80221
142dc9dc6dda78
151604ce0927bc
hexb0666a83cfa

12122120011002 has 16 divisors (see below), whose sum is σ = 24585708192192. Its totient is φ = 3983795308640.

The previous prime is 12122120010953. The next prime is 12122120011061. The reversal of 12122120011002 is 20011002122121.

12122120011002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121221200110022 (a number of 27 digits) contains 22 as substring.

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, 14227839963 + ... + 14227840814.

It is an arithmetic number, because the mean of its divisors is an integer number (1536606762012).

Almost surely, 212122120011002 is an apocalyptic number.

12122120011002 is an abundant number, since it is smaller than the sum of its proper divisors (12463588181190).

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

12122120011002 is a wasteful number, since it uses less digits than its factorization.

12122120011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28455680853.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122120011002 its reverse (20011002122121), we get a palindrome (32133122133123).

The spelling of 12122120011002 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, eleven thousand, two".

Divisors: 1 2 3 6 71 142 213 426 28455680777 56911361554 85367042331 170734084662 2020353335167 4040706670334 6061060005501 12122120011002