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122122021202 = 21716322035731
BaseRepresentation
bin111000110111100001…
…0100010100101010010
3102200012220010110100022
41301233002202211102
54000101214134302
6132034014423442
711552204024066
oct1615702424522
9380186113308
10122122021202
1147878774055
121b802501b82
13b692a1560c
145ca70c5aa6
15329b41c8a2
hex1c6f0a2952

122122021202 has 16 divisors (see below), whose sum is σ = 195148442592. Its totient is φ = 57116612160.

The previous prime is 122122021141. The next prime is 122122021213. The reversal of 122122021202 is 202120221221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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, 11012324 + ... + 11023407.

It is an arithmetic number, because the mean of its divisors is an integer number (12196777662).

Almost surely, 2122122021202 is an apocalyptic number.

122122021202 is a deficient number, since it is larger than the sum of its proper divisors (73026421390).

122122021202 is a wasteful number, since it uses less digits than its factorization.

122122021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22035913.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122122021202 its reverse (202120221221), we get a palindrome (324242242423).

The spelling of 122122021202 in words is "one hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, two hundred two".

Divisors: 1 2 17 34 163 326 2771 5542 22035731 44071462 374607427 749214854 3591824153 7183648306 61061010601 122122021202