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12212011001222 = 220554929705839
BaseRepresentation
bin1011000110110101010010…
…0100111110010110000110
31121020110100001011212110222
42301231110210332112012
53100040144304014342
641550042001344342
72400201005542544
oct261552444762606
947213301155428
1012212011001222
1139890a2930a9a
1214529299380b2
136a7784225a76
143030c8d42d94
151629e0a89ed2
hexb1b5493e586

12212011001222 has 8 divisors (see below), whose sum is σ = 18318106236000. Its totient is φ = 6105975589224.

The previous prime is 12212011001209. The next prime is 12212011001227. The reversal of 12212011001222 is 22210011021221.

12212011001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12212011001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212011001227) 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, 14441822 + ... + 15264017.

It is an arithmetic number, because the mean of its divisors is an integer number (2289763279500).

Almost surely, 212212011001222 is an apocalyptic number.

12212011001222 is a deficient number, since it is larger than the sum of its proper divisors (6106095234778).

12212011001222 is a wasteful number, since it uses less digits than its factorization.

12212011001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29911390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212011001222 its reverse (22210011021221), we get a palindrome (34422022022443).

The spelling of 12212011001222 in words is "twelve trillion, two hundred twelve billion, eleven million, one thousand, two hundred twenty-two".

Divisors: 1 2 205549 411098 29705839 59411678 6106005500611 12212011001222