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1212221103230 = 25121222110323
BaseRepresentation
bin10001101000111110000…
…000100001110001111110
311021212221202212110221102
4101220332000201301332
5124330112100300410
62324515305133102
7153402653236424
oct21507600416176
94255852773842
101212221103230
11428111234905
12176b2a48a192
138a4094b5137
144295965d114
15217eca832a5
hex11a3e021c7e

1212221103230 has 8 divisors (see below), whose sum is σ = 2181997985832. Its totient is φ = 484888441288.

The previous prime is 1212221103193. The next prime is 1212221103251. The reversal of 1212221103230 is 323011222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60611055152 + ... + 60611055171.

It is an arithmetic number, because the mean of its divisors is an integer number (272749748229).

Almost surely, 21212221103230 is an apocalyptic number.

1212221103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212221103230 is a deficient number, since it is larger than the sum of its proper divisors (969776882602).

1212221103230 is a wasteful number, since it uses less digits than its factorization.

1212221103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121222110330.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212221103230 its reverse (323011222121), we get a palindrome (1535232325351).

The spelling of 1212221103230 in words is "one trillion, two hundred twelve billion, two hundred twenty-one million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 121222110323 242444220646 606110551615 1212221103230