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122210120122 = 2337181320653
BaseRepresentation
bin111000111010001001…
…0100111000110111010
3102200110000220100100021
41301310102213012322
54000241242320442
6132050443001054
711554323611206
oct1616422470672
9380400810307
10122210120122
1147913477082
121b827b0918a
13b6a805015c
145cb4a99b06
1532a4020e67
hex1c744a71ba

122210120122 has 8 divisors (see below), whose sum is σ = 183859143156. Its totient is φ = 60923739072.

The previous prime is 122210120107. The next prime is 122210120129. The reversal of 122210120122 is 221021012221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117512525601 + 4697594521 = 342801^2 + 68539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122210120096 and 122210120105.

It is not an unprimeable number, because it can be changed into a prime (122210120129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90659653 + ... + 90661000.

Almost surely, 2122210120122 is an apocalyptic number.

122210120122 is a deficient number, since it is larger than the sum of its proper divisors (61649023034).

122210120122 is a wasteful number, since it uses less digits than its factorization.

122210120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181320992.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122210120122 its reverse (221021012221), we get a palindrome (343231132343).

The spelling of 122210120122 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 337 674 181320653 362641306 61105060061 122210120122