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122201212210201 = 3531059533267289
BaseRepresentation
bin11011110010010000101111…
…110110000100110000011001
3121000200022200120220020012001
4123302100233312010300121
5112004121040311211301
61111522243433521001
734511513646230605
oct3362205766046031
9530608616806161
10122201212210201
1135a34274571703
12118574b6873161
1353256a918b247
1422267da9cc505
15e1db02205c01
hex6f242fd84c19

122201212210201 has 8 divisors (see below), whose sum is σ = 122548585409640. Its totient is φ = 121853845757952.

The previous prime is 122201212210177. The next prime is 122201212210243. The reversal of 122201212210201 is 102012212102221.

It can be written as a sum of positive squares in 4 ways, for example, as 233462912400 + 121967749297801 = 483180^2 + 11043901^2 .

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 122201212210201 - 227 = 122201077992473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122201212210261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35767765 + ... + 39035053.

It is an arithmetic number, because the mean of its divisors is an integer number (15318573176205).

Almost surely, 2122201212210201 is an apocalyptic number.

It is an amenable number.

122201212210201 is a deficient number, since it is larger than the sum of its proper divisors (347373199439).

122201212210201 is a wasteful number, since it uses less digits than its factorization.

122201212210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373595.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122201212210201 its reverse (102012212102221), we get a palindrome (224213424312422).

The spelling of 122201212210201 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, two hundred one".

Divisors: 1 353 105953 3267289 37401409 1153353017 346179071417 122201212210201