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12213411211 = 474314431361
BaseRepresentation
bin10110101111111100…
…11101110110001011
31011112011200120111101
423113332131312023
5200003113124321
65335531442231
7611442165601
oct132776356613
934464616441
1012213411211
1151a8174681
12244a2b6377
1311c8436251
1483c0d1871
154b7378791
hex2d7f9dd8b

12213411211 has 16 divisors (see below), whose sum is σ = 12539639808. Its totient is φ = 11890153600.

The previous prime is 12213411209. The next prime is 12213411229. The reversal of 12213411211 is 11211431221.

It is a cyclic number.

It is not a de Polignac number, because 12213411211 - 21 = 12213411209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213411611) 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 15 ways as a sum of consecutive naturals, for example, 8973171 + ... + 8974531.

It is an arithmetic number, because the mean of its divisors is an integer number (783727488).

Almost surely, 212213411211 is an apocalyptic number.

12213411211 is a deficient number, since it is larger than the sum of its proper divisors (326228597).

12213411211 is a wasteful number, since it uses less digits than its factorization.

12213411211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its digits is 96, while the sum is 19.

Adding to 12213411211 its reverse (11211431221), we get a palindrome (23424842432).

The spelling of 12213411211 in words is "twelve billion, two hundred thirteen million, four hundred eleven thousand, two hundred eleven".

Divisors: 1 47 431 443 1361 20257 20821 63967 190933 586591 602923 8973851 27569777 28337381 259859813 12213411211