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212212203301301 = 730316029043043
BaseRepresentation
bin110000010000000110000000…
…111111101010100110110101
31000211101021210022122210011112
4300100012000333222212311
5210303341043021120201
62031200535040444405
762461553140535120
oct6020060077524665
91024337708583145
10212212203301301
1161687765448225
121b974191619705
1391546a92a4278
143a591a83033b7
1519801d69620bb
hexc10180fea9b5

212212203301301 has 4 divisors (see below), whose sum is σ = 242528232344352. Its totient is φ = 181896174258252.

The previous prime is 212212203301289. The next prime is 212212203301447. The reversal of 212212203301301 is 103103302212212.

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 not a de Polignac number, because 212212203301301 - 26 = 212212203301237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212203307301) 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, 15158014521515 + ... + 15158014521528.

It is an arithmetic number, because the mean of its divisors is an integer number (60632058086088).

Almost surely, 2212212203301301 is an apocalyptic number.

It is an amenable number.

212212203301301 is a deficient number, since it is larger than the sum of its proper divisors (30316029043051).

212212203301301 is an equidigital number, since it uses as much as digits as its factorization.

212212203301301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30316029043050.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212212203301301 its reverse (103103302212212), we get a palindrome (315315505513513).

The spelling of 212212203301301 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred three million, three hundred one thousand, three hundred one".

Divisors: 1 7 30316029043043 212212203301301