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12011210213223 = 313307979749057
BaseRepresentation
bin1010111011001001001111…
…1010110000011101100111
31120112021000220001221100210
42232302103322300131213
53033242424303310343
641313512423510503
72346531662160624
oct256622372603547
946467026057323
1012011210213223
113910a20040a31
12141ba29bb8433
13691863039150
142d74ba76d34b
1515c68c185333
hexaec93eb0767

12011210213223 has 8 divisors (see below), whose sum is σ = 17246865947248. Its totient is φ = 7391513977344.

The previous prime is 12011210213213. The next prime is 12011210213251. The reversal of 12011210213223 is 32231201211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011210213223 - 218 = 12011209951079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011210213223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210213213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153989874490 + ... + 153989874567.

It is an arithmetic number, because the mean of its divisors is an integer number (2155858243406).

Almost surely, 212011210213223 is an apocalyptic number.

12011210213223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12011210213223 is a deficient number, since it is larger than the sum of its proper divisors (5235655734025).

12011210213223 is a wasteful number, since it uses less digits than its factorization.

12011210213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307979749073.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12011210213223 its reverse (32231201211021), we get a palindrome (44242411424244).

The spelling of 12011210213223 in words is "twelve trillion, eleven billion, two hundred ten million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 3 13 39 307979749057 923939247171 4003736737741 12011210213223