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121201000211 = 717272348083
BaseRepresentation
bin111000011100000100…
…1000111111100010011
3102120211201001202001202
41300320021013330103
53441204424001321
6131402354021415
711520321334514
oct1607011077423
9376751052052
10121201000211
1147445894385
121b5a5b7786b
13b576c6bb95
145c1aa56a0b
15324563c70b
hex1c38247f13

121201000211 has 8 divisors (see below), whose sum is σ = 123077170944. Its totient is φ = 119329527240.

The previous prime is 121201000187. The next prime is 121201000213. The reversal of 121201000211 is 112000102121.

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 121201000211 - 26 = 121201000147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121201000192 and 121201000201.

It is not an unprimeable number, because it can be changed into a prime (121201000213) 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, 1122425 + ... + 1225658.

It is an arithmetic number, because the mean of its divisors is an integer number (15384646368).

Almost surely, 2121201000211 is an apocalyptic number.

121201000211 is a deficient number, since it is larger than the sum of its proper divisors (1876170733).

121201000211 is an equidigital number, since it uses as much as digits as its factorization.

121201000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348881.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201000211 its reverse (112000102121), we get a palindrome (233201102332).

The spelling of 121201000211 in words is "one hundred twenty-one billion, two hundred one million, two hundred eleven", and thus it is an aban number.

Divisors: 1 71 727 51617 2348083 166713893 1707056341 121201000211