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122123220201 = 3237991370067
BaseRepresentation
bin111000110111100011…
…1000111010011101001
3102200012222101101001200
41301233013013103221
54000102021021301
6132034100234413
711552220146523
oct1615707072351
9380188341050
10122123220201
1147879412964
121b80299ba09
13b693045298
145ca7318a13
15329b5a7c86
hex1c6f1c74e9

122123220201 has 24 divisors (see below), whose sum is σ = 181351083264. Its totient is φ = 79134913440.

The previous prime is 122123220199. The next prime is 122123220203. The reversal of 122123220201 is 102022321221.

122123220201 is a `hidden beast` number, since 1 + 221 + 23 + 220 + 201 = 666.

It is an interprime number because it is at equal distance from previous prime (122123220199) and next prime (122123220203).

It is not a de Polignac number, because 122123220201 - 21 = 122123220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122123220203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144970 + ... + 515036.

It is an arithmetic number, because the mean of its divisors is an integer number (7556295136).

Almost surely, 2122123220201 is an apocalyptic number.

It is an amenable number.

122123220201 is a deficient number, since it is larger than the sum of its proper divisors (59227863063).

122123220201 is a wasteful number, since it uses less digits than its factorization.

122123220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371101 (or 371098 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122123220201 its reverse (102022321221), we get a palindrome (224145541422).

The spelling of 122123220201 in words is "one hundred twenty-two billion, one hundred twenty-three million, two hundred twenty thousand, two hundred one".

Divisors: 1 3 9 37 111 333 991 2973 8919 36667 110001 330003 370067 1110201 3330603 13692479 41077437 123232311 366736397 1100209191 3300627573 13569246689 40707740067 122123220201