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12211311022 = 237916109909
BaseRepresentation
bin10110101111101100…
…11101000110101110
31011112000201212120121
423113312131012232
5200002043423042
65335414435154
7611415300601
oct132766350656
934460655517
1012211311022
1151a6a6a789
122449662aba
1311c7b7c331
1483bb06338
154b70b1367
hex2d7d9d1ae

12211311022 has 8 divisors (see below), whose sum is σ = 18365297400. Its totient is φ = 6089545224.

The previous prime is 12211311019. The next prime is 12211311023. The reversal of 12211311022 is 22011311221.

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

It is a super-2 number, since 2×122113110222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211310987 and 12211311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211311023) 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, 8054197 + ... + 8055712.

It is an arithmetic number, because the mean of its divisors is an integer number (2295662175).

Almost surely, 212211311022 is an apocalyptic number.

12211311022 is a deficient number, since it is larger than the sum of its proper divisors (6153986378).

12211311022 is a wasteful number, since it uses less digits than its factorization.

12211311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110290.

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

Adding to 12211311022 its reverse (22011311221), we get a palindrome (34222622243).

The spelling of 12211311022 in words is "twelve billion, two hundred eleven million, three hundred eleven thousand, twenty-two".

Divisors: 1 2 379 758 16109909 32219818 6105655511 12211311022