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12232021222 = 238471589813
BaseRepresentation
bin10110110010001010…
…11101010011100110
31011120110201001122001
423121011131103212
5200022344134342
65341434355514
7612056315311
oct133105352346
934513631561
1012232021222
115207725653
12245458bb9a
1311cc250aa5
14840777978
154b8d028b7
hex2d915d4e6

12232021222 has 8 divisors (see below), whose sum is σ = 18352812816. Its totient is φ = 6114416952.

The previous prime is 12232021201. The next prime is 12232021223. The reversal of 12232021222 is 22212023221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12232021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232021223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787213 + ... + 802600.

It is an arithmetic number, because the mean of its divisors is an integer number (2294101602).

Almost surely, 212232021222 is an apocalyptic number.

12232021222 is a deficient number, since it is larger than the sum of its proper divisors (6120791594).

12232021222 is a wasteful number, since it uses less digits than its factorization.

12232021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593662.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12232021222 its reverse (22212023221), we get a palindrome (34444044443).

The spelling of 12232021222 in words is "twelve billion, two hundred thirty-two million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3847 7694 1589813 3179626 6116010611 12232021222