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12222011131 = 114325839347
BaseRepresentation
bin10110110000111110…
…10001011011111011
31011112202212111100221
423120133101123323
5200012313324011
65340440040511
7611605244341
oct133037213373
934482774327
1012222011131
115202008950
122451163137
1311ca157765
1483d2cd991
154b7ec6971
hex2d87d16fb

12222011131 has 8 divisors (see below), whose sum is σ = 13643175744. Its totient is φ = 10852525320.

The previous prime is 12222011119. The next prime is 12222011143. The reversal of 12222011131 is 13111022221.

It is an interprime number because it is at equal distance from previous prime (12222011119) and next prime (12222011143).

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 12222011131 - 213 = 12222002939 is a prime.

It is a super-2 number, since 2×122220111312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12222011831) 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, 12919201 + ... + 12920146.

It is an arithmetic number, because the mean of its divisors is an integer number (1705396968).

Almost surely, 212222011131 is an apocalyptic number.

12222011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12222011131 is a deficient number, since it is larger than the sum of its proper divisors (1421164613).

12222011131 is a wasteful number, since it uses less digits than its factorization.

12222011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25839401.

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

Adding to 12222011131 its reverse (13111022221), we get a palindrome (25333033352).

The spelling of 12222011131 in words is "twelve billion, two hundred twenty-two million, eleven thousand, one hundred thirty-one".

Divisors: 1 11 43 473 25839347 284232817 1111091921 12222011131