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12221110202 = 27872936443
BaseRepresentation
bin10110110000110111…
…10101011110111010
31011112201011201112012
423120123311132322
5200012101011302
65340404445522
7611564502620
oct133033653672
934481151465
1012221110202
115201552a84
1224509a98a2
1311c9c00672
1483d137510
154b7d99a52
hex2d86f57ba

12221110202 has 8 divisors (see below), whose sum is σ = 20950474656. Its totient is φ = 5237618652.

The previous prime is 12221110189. The next prime is 12221110243. The reversal of 12221110202 is 20201112221.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 872936443 = 12221110202 / (1 + 2 + 2 + 2 + 1 + 1 + 1 + 0 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436468208 + ... + 436468235.

It is an arithmetic number, because the mean of its divisors is an integer number (2618809332).

Almost surely, 212221110202 is an apocalyptic number.

12221110202 is a deficient number, since it is larger than the sum of its proper divisors (8729364454).

12221110202 is an equidigital number, since it uses as much as digits as its factorization.

12221110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872936452.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221110202 its reverse (20201112221), we get a palindrome (32422222423).

The spelling of 12221110202 in words is "twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred two".

Divisors: 1 2 7 14 872936443 1745872886 6110555101 12221110202