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12022233031 = 40129980631
BaseRepresentation
bin10110011001001010…
…01011011111000111
31011000211221201100001
423030211023133013
5144110142424111
65304542102131
7603631203034
oct131445133707
934024851301
1012022233031
11510a267686
1223b627a947
13119794a473
1482096838b
154a56b31c1
hex2cc94b7c7

12022233031 has 4 divisors (see below), whose sum is σ = 12052214064. Its totient is φ = 11992252000.

The previous prime is 12022232947. The next prime is 12022233049. The reversal of 12022233031 is 13033222021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12022233031 - 213 = 12022224839 is a prime.

It is a super-2 number, since 2×120222330312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022233631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14989915 + ... + 14990716.

It is an arithmetic number, because the mean of its divisors is an integer number (3013053516).

Almost surely, 212022233031 is an apocalyptic number.

12022233031 is a deficient number, since it is larger than the sum of its proper divisors (29981033).

12022233031 is an equidigital number, since it uses as much as digits as its factorization.

12022233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981032.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12022233031 its reverse (13033222021), we get a palindrome (25055455052).

The spelling of 12022233031 in words is "twelve billion, twenty-two million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 401 29980631 12022233031