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12213313211 = 112115262091
BaseRepresentation
bin10110101111111100…
…00101111010111011
31011112011111121001202
423113332011322323
5200003102010321
65335525404415
7611441310101
oct132776057273
934464447052
1012213313211
1151a8107a90
12244a26970b
1311c8400768
1483c0a7c71
154b735970b
hex2d7f85ebb

12213313211 has 8 divisors (see below), whose sum is σ = 13386762048. Its totient is φ = 11050389000.

The previous prime is 12213313187. The next prime is 12213313223. The reversal of 12213313211 is 11231331221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12213313211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213313291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628725 + ... + 2633366.

It is an arithmetic number, because the mean of its divisors is an integer number (1673345256).

Almost surely, 212213313211 is an apocalyptic number.

12213313211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213313211 is a deficient number, since it is larger than the sum of its proper divisors (1173448837).

12213313211 is a wasteful number, since it uses less digits than its factorization.

12213313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262313.

The product of its digits is 216, while the sum is 20.

Adding to 12213313211 its reverse (11231331221), we get a palindrome (23444644432).

The spelling of 12213313211 in words is "twelve billion, two hundred thirteen million, three hundred thirteen thousand, two hundred eleven".

Divisors: 1 11 211 2321 5262091 57883001 1110301201 12213313211