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12122222021202 = 2310319615245989
BaseRepresentation
bin1011000001100110110010…
…1111001100101001010010
31120220212120111101002100110
42300121230233030221102
53042102302314134302
641440512200102150
72360541651031566
oct260315457145122
946825514332313
1012122222021202
11395400733a387
12143944b764956
1369c1750489a7
142dca0c0956a6
151604d7ee2b6c
hexb066cbcca52

12122222021202 has 16 divisors (see below), whose sum is σ = 24479826995520. Its totient is φ = 4001510181552.

The previous prime is 12122222021201. The next prime is 12122222021227. The reversal of 12122222021202 is 20212022222121.

It is not an unprimeable number, because it can be changed into a prime (12122222021201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9807622377 + ... + 9807623612.

It is an arithmetic number, because the mean of its divisors is an integer number (1529989187220).

Almost surely, 212122222021202 is an apocalyptic number.

12122222021202 is an abundant number, since it is smaller than the sum of its proper divisors (12357604974318).

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

12122222021202 is a wasteful number, since it uses less digits than its factorization.

12122222021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615246097.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12122222021202 its reverse (20212022222121), we get a palindrome (32334244243323).

The spelling of 12122222021202 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 103 206 309 618 19615245989 39230491978 58845737967 117691475934 2020370336867 4040740673734 6061111010601 12122222021202