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122312211011 = 1131951554797
BaseRepresentation
bin111000111101001100…
…0000011101001000011
3102200201011000002201022
41301322120003221003
54000443411223021
6132104531100055
711560003432244
oct1617230035103
9380634002638
10122312211011
1147966066511
121b85614162b
13b6c3246573
145cc4472ccb
1532ace8a1ab
hex1c7a603a43

122312211011 has 8 divisors (see below), whose sum is σ = 123458089344. Its totient is φ = 121167446400.

The previous prime is 122312210971. The next prime is 122312211041. The reversal of 122312211011 is 110112213221.

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 not a de Polignac number, because 122312211011 - 222 = 122308016707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122312211041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56936 + ... + 497861.

It is an arithmetic number, because the mean of its divisors is an integer number (15432261168).

Almost surely, 2122312211011 is an apocalyptic number.

122312211011 is a deficient number, since it is larger than the sum of its proper divisors (1145878333).

122312211011 is a wasteful number, since it uses less digits than its factorization.

122312211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556861.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122312211011 its reverse (110112213221), we get a palindrome (232424424232).

The spelling of 122312211011 in words is "one hundred twenty-two billion, three hundred twelve million, two hundred eleven thousand, eleven".

Divisors: 1 113 1951 220463 554797 62692061 1082408947 122312211011