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12022231111 = 115918524239
BaseRepresentation
bin10110011001001010…
…01011000001000111
31011000211221121200221
423030211023001013
5144110142343421
65304542045211
7603631164322
oct131445130107
934024847627
1012022231111
11510a2661a0
1223b6279807
131197949627
148209677b9
154a56b2841
hex2cc94b047

12022231111 has 8 divisors (see below), whose sum is σ = 13337452800. Its totient is φ = 10744058040.

The previous prime is 12022231087. The next prime is 12022231157. The reversal of 12022231111 is 11113222021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022231111 - 25 = 12022231079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022231181) 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, 9261471 + ... + 9262768.

It is an arithmetic number, because the mean of its divisors is an integer number (1667181600).

Almost surely, 212022231111 is an apocalyptic number.

12022231111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12022231111 is a deficient number, since it is larger than the sum of its proper divisors (1315221689).

12022231111 is a wasteful number, since it uses less digits than its factorization.

12022231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524309.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12022231111 its reverse (11113222021), we get a palindrome (23135453132).

The spelling of 12022231111 in words is "twelve billion, twenty-two million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 11 59 649 18524239 203766629 1092930101 12022231111