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122150330121 = 32912711055329
BaseRepresentation
bin111000111000010111…
…0100001111100001001
3102200021212101200212210
41301300232201330021
54000130441030441
6132040505255333
711552666450301
oct1616056417411
9380255350783
10122150330121
1147892749a56
121b80ba94549
13b698847961
145caab74601
15329db60616
hex1c70ba1f09

122150330121 has 16 divisors (see below), whose sum is σ = 169809868800. Its totient is φ = 78006394368.

The previous prime is 122150330083. The next prime is 122150330143. The reversal of 122150330121 is 121033051221.

It is not a de Polignac number, because 122150330121 - 217 = 122150199049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122150330171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5516616 + ... + 5538713.

It is an arithmetic number, because the mean of its divisors is an integer number (10613116800).

Almost surely, 2122150330121 is an apocalyptic number.

It is an amenable number.

122150330121 is a deficient number, since it is larger than the sum of its proper divisors (47659538679).

122150330121 is a wasteful number, since it uses less digits than its factorization.

122150330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055488.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 122150330121 its reverse (121033051221), we get a palindrome (243183381342).

The spelling of 122150330121 in words is "one hundred twenty-two billion, one hundred fifty million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 3 29 87 127 381 3683 11049 11055329 33165987 320604541 961813623 1404026783 4212080349 40716776707 122150330121