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12213130121222 = 28623708171757
BaseRepresentation
bin1011000110111001011101…
…0010000101000000000110
31121020120020001000001111212
42301232113102011000012
53100044442302334342
641550345020131422
72400240515111222
oct261562722050006
947216201001455
1012213130121222
113989617615458
121452ba0696b72
136a790203c454
1430319381b782
15162a58e4b182
hexb1b97485006

12213130121222 has 8 divisors (see below), whose sum is σ = 18321819722976. Its totient is φ = 6105856880232.

The previous prime is 12213130121219. The next prime is 12213130121233. The reversal of 12213130121222 is 22212103131221.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354068633 + ... + 354103124.

It is an arithmetic number, because the mean of its divisors is an integer number (2290227465372).

Almost surely, 212213130121222 is an apocalyptic number.

12213130121222 is a deficient number, since it is larger than the sum of its proper divisors (6108689601754).

12213130121222 is an equidigital number, since it uses as much as digits as its factorization.

12213130121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708180382.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12213130121222 its reverse (22212103131221), we get a palindrome (34425233252443).

The spelling of 12213130121222 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty million, one hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 8623 17246 708171757 1416343514 6106565060611 12213130121222