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12022131011 = 111092921001
BaseRepresentation
bin10110011001001001…
…10010100101000011
31011000211202112101112
423030210302211003
5144110131143021
65304535553535
7603630266432
oct131444624503
934024675345
1012022131011
11510a1a7a70
1223b622b8ab
131197912bb7
1482093d119
154a5692d5b
hex2cc932943

12022131011 has 4 divisors (see below), whose sum is σ = 13115052024. Its totient is φ = 10929210000.

The previous prime is 12022130971. The next prime is 12022131029. The reversal of 12022131011 is 11013122021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11013122021 = 111001192911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12022131011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022130011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546460490 + ... + 546460511.

It is an arithmetic number, because the mean of its divisors is an integer number (3278763006).

Almost surely, 212022131011 is an apocalyptic number.

12022131011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12022131011 is a deficient number, since it is larger than the sum of its proper divisors (1092921013).

12022131011 is a wasteful number, since it uses less digits than its factorization.

12022131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092921012.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12022131011 its reverse (11013122021), we get a palindrome (23035253032).

The spelling of 12022131011 in words is "twelve billion, twenty-two million, one hundred thirty-one thousand, eleven".

Divisors: 1 11 1092921001 12022131011