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12210000021233 = 71744285717319
BaseRepresentation
bin1011000110101101110010…
…1101101100011011110001
31121020021010220011111112122
42301223130231230123301
53100022040001134413
641545110243204025
72400100116520250
oct261533455543361
947207126144478
1012210000021233
113988260774a63
121452468376615
136a7523705a91
14302d77c2a797
15162924259108
hexb1adcb6c6f1

12210000021233 has 4 divisors (see below), whose sum is σ = 13954285738560. Its totient is φ = 10465714303908.

The previous prime is 12210000021227. The next prime is 12210000021283. The reversal of 12210000021233 is 33212000001221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12210000021233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12210000021203) 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, 872142858653 + ... + 872142858666.

It is an arithmetic number, because the mean of its divisors is an integer number (3488571434640).

Almost surely, 212210000021233 is an apocalyptic number.

It is an amenable number.

12210000021233 is a deficient number, since it is larger than the sum of its proper divisors (1744285717327).

12210000021233 is an equidigital number, since it uses as much as digits as its factorization.

12210000021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744285717326.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12210000021233 its reverse (33212000001221), we get a palindrome (45422000022454).

The spelling of 12210000021233 in words is "twelve trillion, two hundred ten billion, twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 1744285717319 12210000021233