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121112020233 = 3341109405619
BaseRepresentation
bin111000011001011010…
…1101100010100001001
3102120121111122002111000
41300302311230110021
53441014134121413
6131345454525213
711515161120621
oct1606265542411
9376544562430
10121112020233
11473aa63a406
121b580206809
13b5616b62c9
145c0ccd3881
15323c913073
hex1c32d6c509

121112020233 has 16 divisors (see below), whose sum is σ = 183801441600. Its totient is φ = 78772044960.

The previous prime is 121112020193. The next prime is 121112020241. The reversal of 121112020233 is 332020211121.

It is not a de Polignac number, because 121112020233 - 216 = 121111954697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112020333) 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 15 ways as a sum of consecutive naturals, for example, 54701703 + ... + 54703916.

It is an arithmetic number, because the mean of its divisors is an integer number (11487590100).

Almost surely, 2121112020233 is an apocalyptic number.

It is an amenable number.

121112020233 is a deficient number, since it is larger than the sum of its proper divisors (62689421367).

121112020233 is a wasteful number, since it uses less digits than its factorization.

121112020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109405669 (or 109405663 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121112020233 its reverse (332020211121), we get a palindrome (453132231354).

The spelling of 121112020233 in words is "one hundred twenty-one billion, one hundred twelve million, twenty thousand, two hundred thirty-three".

Divisors: 1 3 9 27 41 123 369 1107 109405619 328216857 984650571 2953951713 4485630379 13456891137 40370673411 121112020233