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12213201302220 = 2235203553355037
BaseRepresentation
bin1011000110111001101110…
…0001100111001011001100
31121020120101222221102111010
42301232123201213023030
53100100114013132340
641550400041525220
72400242341124052
oct261563341471314
947216358842433
1012213201302220
113989653812826
1214530004a3810
136a7913a02699
1430319d06a1d2
15162a6030bb80
hexb1b9b8672cc

12213201302220 has 24 divisors (see below), whose sum is σ = 34196963646384. Its totient is φ = 3256853680576.

The previous prime is 12213201302087. The next prime is 12213201302261. The reversal of 12213201302220 is 2220310231221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101776677459 + ... + 101776677578.

It is an arithmetic number, because the mean of its divisors is an integer number (1424873485266).

Almost surely, 212213201302220 is an apocalyptic number.

12213201302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213201302220 is an abundant number, since it is smaller than the sum of its proper divisors (21983762344164).

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

12213201302220 is a wasteful number, since it uses less digits than its factorization.

12213201302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203553355049 (or 203553355047 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12213201302220 its reverse (2220310231221), we get a palindrome (14433511533441).

The spelling of 12213201302220 in words is "twelve trillion, two hundred thirteen billion, two hundred one million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 203553355037 407106710074 610660065111 814213420148 1017766775185 1221320130222 2035533550370 2442640260444 3053300325555 4071067100740 6106600651110 12213201302220