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122230120211 = 197620457463
BaseRepresentation
bin111000111010101111…
…0111001111100010011
3102200111102112110022022
41301311132321330103
54000311402321321
6132052435402055
711554655610413
oct1616536717423
9380442473268
10122230120211
1147923797481
121b83275332b
13b6ac233624
145cb75c4643
1532a5b71dab
hex1c757b9f13

122230120211 has 4 divisors (see below), whose sum is σ = 122850577872. Its totient is φ = 121609662552.

The previous prime is 122230120153. The next prime is 122230120217. The reversal of 122230120211 is 112021032221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122230120211 - 222 = 122225925907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122230120211.

It is not an unprimeable number, because it can be changed into a prime (122230120217) 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 3 ways as a sum of consecutive naturals, for example, 310228535 + ... + 310228928.

It is an arithmetic number, because the mean of its divisors is an integer number (30712644468).

Almost surely, 2122230120211 is an apocalyptic number.

122230120211 is a deficient number, since it is larger than the sum of its proper divisors (620457661).

122230120211 is an equidigital number, since it uses as much as digits as its factorization.

122230120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620457660.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122230120211 its reverse (112021032221), we get a palindrome (234251152432).

The spelling of 122230120211 in words is "one hundred twenty-two billion, two hundred thirty million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 197 620457463 122230120211