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121002122212 = 22191592133187
BaseRepresentation
bin111000010110001001…
…0011101101111100100
3102120022211211200201221
41300230102131233210
53440303020402322
6131330531230124
711512355032336
oct1605422355744
9376284750657
10121002122212
11473535a83a4
121b54b448344
13b5449b84aa
145bdc487456
153232e559c7
hex1c2c49dbe4

121002122212 has 12 divisors (see below), whose sum is σ = 222898646320. Its totient is φ = 57316794696.

The previous prime is 121002122203. The next prime is 121002122221. The reversal of 121002122212 is 212221200121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121002122203) and next prime (121002122221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796066518 + ... + 796066669.

Almost surely, 2121002122212 is an apocalyptic number.

It is an amenable number.

121002122212 is a deficient number, since it is larger than the sum of its proper divisors (101896524108).

121002122212 is a wasteful number, since it uses less digits than its factorization.

121002122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592133210 (or 1592133208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121002122212 its reverse (212221200121), we get a palindrome (333223322333).

It can be divided in two parts, 12100 and 2122212, that added together give a palindrome (2134312).

The spelling of 121002122212 in words is "one hundred twenty-one billion, two million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 1592133187 3184266374 6368532748 30250530553 60501061106 121002122212