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200012212112101 is a prime number
BaseRepresentation
bin101101011110100011111000…
…110110101000101011100101
3222020011222110221212122000121
4231132203320312220223211
5202204000002300041401
61545220201453241541
760062256033463054
oct5536437066505345
9866158427778017
10200012212112101
115880378047a984
121a5238591932b1
13877b0bc35ba0c
1437568dd89839b
15181cb9b25cca1
hexb5e8f8da8ae5

200012212112101 has 2 divisors, whose sum is σ = 200012212112102. Its totient is φ = 200012212112100.

The previous prime is 200012212112099. The next prime is 200012212112117. The reversal of 200012212112101 is 101211212210002.

It is an a-pointer prime, because the next prime (200012212112117) can be obtained adding 200012212112101 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186280733340900 + 13731478771201 = 13648470^2 + 3705601^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012212112101 - 21 = 200012212112099 is a prime.

Together with 200012212112099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012212112191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006106056050 + 100006106056051.

It is an arithmetic number, because the mean of its divisors is an integer number (100006106056051).

Almost surely, 2200012212112101 is an apocalyptic number.

It is an amenable number.

200012212112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012212112101 is an equidigital number, since it uses as much as digits as its factorization.

200012212112101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200012212112101 its reverse (101211212210002), we get a palindrome (301223424322103).

The spelling of 200012212112101 in words is "two hundred trillion, twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred one".