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121223322330 = 23511367343401
BaseRepresentation
bin111000011100101111…
…0010001101011011010
3102120220021001211020220
41300321132101223122
53441231132303310
6131404512300510
711521012144545
oct1607136215332
9376807054226
10121223322330
1147457450310
121b5b1541736
13b57b786236
145c1d9c785c
15324759b670
hex1c39791ada

121223322330 has 32 divisors (see below), whose sum is σ = 317384699328. Its totient is φ = 29387472000.

The previous prime is 121223322317. The next prime is 121223322347. The reversal of 121223322330 is 33223322121.

It is a self number, because there is not a number n which added to its sum of digits gives 121223322330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183671371 + ... + 183672030.

It is an arithmetic number, because the mean of its divisors is an integer number (9918271854).

Almost surely, 2121223322330 is an apocalyptic number.

121223322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223322330 is an abundant number, since it is smaller than the sum of its proper divisors (196161376998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121223322330 is a wasteful number, since it uses less digits than its factorization.

121223322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367343422.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121223322330 its reverse (33223322121), we get a palindrome (154446644451).

The spelling of 121223322330 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 367343401 734686802 1102030203 1836717005 2204060406 3673434010 4040777411 5510151015 8081554822 11020302030 12122332233 20203887055 24244664466 40407774110 60611661165 121223322330