Search a number
-
+
12221200231332 = 2234201242426411
BaseRepresentation
bin1011000111010111100001…
…0011000110101110100100
31121021100001110100010101220
42301311320103012232210
53100213004224400312
641554201502420340
72400644506654101
oct261657023065644
947240043303356
1012221200231332
113991a88a19644
1214546732916b0
136a85b9c5c231
1430371b535aa8
15162d7c694c8c
hexb1d784c6ba4

12221200231332 has 24 divisors (see below), whose sum is σ = 28522921930272. Its totient is φ = 4072763688000.

The previous prime is 12221200231319. The next prime is 12221200231349. The reversal of 12221200231332 is 23313200212221.

12221200231332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121162794 + ... + 121263617.

It is an arithmetic number, because the mean of its divisors is an integer number (1188455080428).

Almost surely, 212221200231332 is an apocalyptic number.

12221200231332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221200231332 is an abundant number, since it is smaller than the sum of its proper divisors (16301721698940).

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

12221200231332 is a wasteful number, since it uses less digits than its factorization.

12221200231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242430619 (or 242430617 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12221200231332 its reverse (23313200212221), we get a palindrome (35534400443553).

The spelling of 12221200231332 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, two hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 4201 8402 12603 16804 25206 50412 242426411 484852822 727279233 969705644 1454558466 2909116932 1018433352611 2036866705222 3055300057833 4073733410444 6110600115666 12221200231332