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12210000122321 = 171931371949923
BaseRepresentation
bin1011000110101101110010…
…1110000101000111010001
31121020021010220100122012122
42301223130232011013101
53100022040012403241
641545110245304025
72400100120421051
oct261533456050721
947207126318178
1012210000122321
113988260833a01
121452468405015
136a752373cab1
14302d77c55561
1516292427904b
hexb1adcb851d1

12210000122321 has 8 divisors (see below), whose sum is σ = 12934930557024. Its totient is φ = 11485813591360.

The previous prime is 12210000122261. The next prime is 12210000122329. The reversal of 12210000122321 is 12322100001221.

12210000122321 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 cyclic number.

It is not a de Polignac number, because 12210000122321 - 222 = 12209995928017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210000122321.

It is not an unprimeable number, because it can be changed into a prime (12210000122329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185942135 + ... + 186007788.

It is an arithmetic number, because the mean of its divisors is an integer number (1616866319628).

Almost surely, 212210000122321 is an apocalyptic number.

It is an amenable number.

12210000122321 is a deficient number, since it is larger than the sum of its proper divisors (724930434703).

12210000122321 is a wasteful number, since it uses less digits than its factorization.

12210000122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371951871.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12210000122321 its reverse (12322100001221), we get a palindrome (24532100123542).

The spelling of 12210000122321 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 17 1931 32827 371949923 6323148691 718235301313 12210000122321