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121214302012 = 22231317546761
BaseRepresentation
bin111000011100011101…
…1110111011100111100
3102120212122002112201001
41300320323313130330
53441221330131022
6131403551100044
711520542365336
oct1607073673474
9376778075631
10121214302012
114745234a201
121b5aa511624
13b57994857b
145c1c71a456
1532468b8b27
hex1c38ef773c

121214302012 has 12 divisors (see below), whose sum is σ = 221347856016. Its totient is φ = 57972057440.

The previous prime is 121214302009. The next prime is 121214302039. The reversal of 121214302012 is 210203412121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658773289 + ... + 658773472.

It is an arithmetic number, because the mean of its divisors is an integer number (18445654668).

Almost surely, 2121214302012 is an apocalyptic number.

It is an amenable number.

121214302012 is a deficient number, since it is larger than the sum of its proper divisors (100133554004).

121214302012 is a wasteful number, since it uses less digits than its factorization.

121214302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317546788 (or 1317546786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121214302012 its reverse (210203412121), we get a palindrome (331417714133).

The spelling of 121214302012 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred two thousand, twelve".

Divisors: 1 2 4 23 46 92 1317546761 2635093522 5270187044 30303575503 60607151006 121214302012