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12012222432210 = 235711133710811011
BaseRepresentation
bin1010111011001101000001…
…0000000100001111010010
31120112100122102201222202220
42232303100100010033102
53033302012420312320
641314201103121510
72346566032662450
oct256632020041722
946470572658686
1012012222432210
11391139a450050
121420070ba3296
13691994963bb0
142d7574d7b9d0
1515c6eae7be40
hexaecd04043d2

12012222432210 has 256 divisors, whose sum is σ = 39754080350208. Its totient is φ = 2241771033600.

The previous prime is 12012222432143. The next prime is 12012222432227. The reversal of 12012222432210 is 1223422221021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4294396 + ... + 6516615.

It is an arithmetic number, because the mean of its divisors is an integer number (155289376368).

Almost surely, 212012222432210 is an apocalyptic number.

12012222432210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012222432210 is an abundant number, since it is smaller than the sum of its proper divisors (27741857917998).

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

12012222432210 is a wasteful number, since it uses less digits than its factorization.

12012222432210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811089.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12012222432210 its reverse (1223422221021), we get a palindrome (13235644653231).

It can be divided in two parts, 12012 and 222432210, that added together give a palindrome (222444222).

The spelling of 12012222432210 in words is "twelve trillion, twelve billion, two hundred twenty-two million, four hundred thirty-two thousand, two hundred ten".