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12121322303322 = 23474822977181
BaseRepresentation
bin1011000001100011011100…
…0111000010111101011010
31120220210020210101200110000
42300120313013002331122
53042043432002201242
641440243020033430
72360510444406441
oct260306707027532
946823223350400
1012121322303322
11395369548aa91
12143923a392876
1369c06082084b
142dc9647add58
1516048401ea4c
hexb06371c2f5a

12121322303322 has 20 divisors (see below), whose sum is σ = 27160740717066. Its totient is φ = 4040440767720.

The previous prime is 12121322303227. The next prime is 12121322303339. The reversal of 12121322303322 is 22330322312121.

12121322303322 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 32 + 2 + 303 + 322 = 666.

12121322303322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10089269202321 + 2032053101001 = 3176361^2 + 1425501^2 .

It is a super-2 number, since 2×121213223033222 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37411488429 + ... + 37411488752.

Almost surely, 212121322303322 is an apocalyptic number.

12121322303322 is an abundant number, since it is smaller than the sum of its proper divisors (15039418413744).

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

12121322303322 is an equidigital number, since it uses as much as digits as its factorization.

12121322303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74822977195 (or 74822977186 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12121322303322 its reverse (22330322312121), we get a palindrome (34451644615443).

The spelling of 12121322303322 in words is "twelve trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 74822977181 149645954362 224468931543 448937863086 673406794629 1346813589258 2020220383887 4040440767774 6060661151661 12121322303322