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122230320212 = 22711131719293259
BaseRepresentation
bin111000111010101111…
…1101010110001010100
3102200111102220121122202
41301311133222301110
54000311430221322
6132052443544032
711554660402460
oct1616537526124
9380442817582
10122230320212
1147923913770
121b83282b018
13b6ac2a3680
145cb76374a0
1532a5bb1292
hex1c757eac54

122230320212 has 384 divisors, whose sum is σ = 331236864000. Its totient is φ = 37832417280.

The previous prime is 122230320211. The next prime is 122230320257. The reversal of 122230320212 is 212023032221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230320211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37503839 + ... + 37507097.

It is an arithmetic number, because the mean of its divisors is an integer number (862596000).

Almost surely, 2122230320212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122230320212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165618432000).

122230320212 is an abundant number, since it is smaller than the sum of its proper divisors (209006543788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122230320212 is a wasteful number, since it uses less digits than its factorization.

122230320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122230320212 its reverse (212023032221), we get a palindrome (334253352433).

The spelling of 122230320212 in words is "one hundred twenty-two billion, two hundred thirty million, three hundred twenty thousand, two hundred twelve".