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212303121301 = 673168703303
BaseRepresentation
bin1100010110111001000…
…0001000101110010101
3202021222202210000002201
43011232100020232111
511434244044340201
6241310344404501
721224032520215
oct3055620105625
9667882700081
10212303121301
1182045639347
123518ba76731
13170352053cb
14a3c0086245
1557c861d801
hex316e408b95

212303121301 has 4 divisors (see below), whose sum is σ = 215471824672. Its totient is φ = 209134417932.

The previous prime is 212303121299. The next prime is 212303121311. The reversal of 212303121301 is 103121303212.

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 212303121301 - 21 = 212303121299 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 (212303121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584351585 + ... + 1584351718.

It is an arithmetic number, because the mean of its divisors is an integer number (53867956168).

Almost surely, 2212303121301 is an apocalyptic number.

It is an amenable number.

212303121301 is a deficient number, since it is larger than the sum of its proper divisors (3168703371).

212303121301 is an equidigital number, since it uses as much as digits as its factorization.

212303121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168703370.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212303121301 its reverse (103121303212), we get a palindrome (315424424513).

The spelling of 212303121301 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 67 3168703303 212303121301