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122212122102 = 23271516423427
BaseRepresentation
bin111000111010001101…
…0001111110111110110
3102200110011200001112200
41301310122033313312
54000242300401402
6132050553525330
711554346616660
oct1616432176766
9380404601480
10122212122102
1147914614204
121b828713846
13b6a85a1465
145cb505b530
1532a42b921c
hex1c7468fdf6

122212122102 has 48 divisors (see below), whose sum is σ = 304624649472. Its totient is φ = 34686500400.

The previous prime is 122212122077. The next prime is 122212122113. The reversal of 122212122102 is 201221212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3192688 + ... + 3230739.

It is an arithmetic number, because the mean of its divisors is an integer number (6346346864).

Almost surely, 2122212122102 is an apocalyptic number.

122212122102 is an abundant number, since it is smaller than the sum of its proper divisors (182412527370).

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

122212122102 is a wasteful number, since it uses less digits than its factorization.

122212122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423593 (or 6423590 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122212122102 its reverse (201221212221), we get a palindrome (323433334323).

The spelling of 122212122102 in words is "one hundred twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 151 302 453 906 1057 1359 2114 2718 3171 6342 9513 19026 6423427 12846854 19270281 38540562 44963989 57810843 89927978 115621686 134891967 269783934 404675901 809351802 969937477 1939874954 2909812431 5819624862 6789562339 8729437293 13579124678 17458874586 20368687017 40737374034 61106061051 122212122102