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12020331222212 = 223005082805553
BaseRepresentation
bin1010111011101011001110…
…0100101001010011000100
31120120010120112212012111112
42232322303210221103010
53033420114243102322
641322021450424152
72350304004364565
oct256726344512304
946503515765445
1012020331222212
113914880672a95
121421754732058
136926878a76a1
142d7b03c8416c
1515ca22cb65e2
hexaeeb39294c4

12020331222212 has 6 divisors (see below), whose sum is σ = 21035579638878. Its totient is φ = 6010165611104.

The previous prime is 12020331222203. The next prime is 12020331222217. The reversal of 12020331222212 is 21222213302021.

It is a happy number.

12020331222212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11968112574016 + 52218648196 = 3459496^2 + 228514^2 .

It is not an unprimeable number, because it can be changed into a prime (12020331222217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502541402773 + ... + 1502541402780.

It is an arithmetic number, because the mean of its divisors is an integer number (3505929939813).

Almost surely, 212020331222212 is an apocalyptic number.

It is an amenable number.

12020331222212 is a deficient number, since it is larger than the sum of its proper divisors (9015248416666).

12020331222212 is a wasteful number, since it uses less digits than its factorization.

12020331222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005082805557 (or 3005082805555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12020331222212 its reverse (21222213302021), we get a palindrome (33242544524233).

The spelling of 12020331222212 in words is "twelve trillion, twenty billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 3005082805553 6010165611106 12020331222212