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122100200201 = 717442885743
BaseRepresentation
bin111000110110110111…
…1010011001100001001
3102200011101001211120002
41301231233103030021
54000030122401301
6132031515012345
711551520402030
oct1615557231411
9380141054502
10122100200201
114786741a671
121b7b713a0b5
13b68b345395
145ca4245717
15329955c16b
hex1c6dbd3309

122100200201 has 4 divisors (see below), whose sum is σ = 139543085952. Its totient is φ = 104657314452.

The previous prime is 122100200171. The next prime is 122100200249. The reversal of 122100200201 is 102002001221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122100200201 - 222 = 122096005897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100200701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8721442865 + ... + 8721442878.

It is an arithmetic number, because the mean of its divisors is an integer number (34885771488).

Almost surely, 2122100200201 is an apocalyptic number.

It is an amenable number.

122100200201 is a deficient number, since it is larger than the sum of its proper divisors (17442885751).

122100200201 is an equidigital number, since it uses as much as digits as its factorization.

122100200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442885750.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122100200201 its reverse (102002001221), we get a palindrome (224102201422).

The spelling of 122100200201 in words is "one hundred twenty-two billion, one hundred million, two hundred thousand, two hundred one".

Divisors: 1 7 17442885743 122100200201