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12213212023320 = 233571110113086893
BaseRepresentation
bin1011000110111001110000…
…1010100000101000011000
31121020120102202010010001220
42301232130022200220120
53100100124234221240
641550401103412040
72400242531215650
oct261563412405030
947216382103056
1012213212023320
113989659875740
121453003bb4020
136a7915cb7529
143031a065b360
15162a612285d0
hexb1b9c2a0a18

12213212023320 has 256 divisors, whose sum is σ = 46132871777280. Its totient is φ = 2512683264000.

The previous prime is 12213212023297. The next prime is 12213212023349. The reversal of 12213212023320 is 2332021231221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5610207 + ... + 7476686.

It is an arithmetic number, because the mean of its divisors is an integer number (180206530380).

Almost surely, 212213212023320 is an apocalyptic number.

12213212023320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213212023320 is an abundant number, since it is smaller than the sum of its proper divisors (33919659753960).

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

12213212023320 is a wasteful number, since it uses less digits than its factorization.

12213212023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13087026 (or 13087022 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12213212023320 its reverse (2332021231221), we get a palindrome (14545233254541).

The spelling of 12213212023320 in words is "twelve trillion, two hundred thirteen billion, two hundred twelve million, twenty-three thousand, three hundred twenty".