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121112123214 = 231710711096951
BaseRepresentation
bin111000011001011011…
…0000101011101001110
3102120121111211022202010
41300302312011131032
53441014200420324
6131345501042050
711515162030065
oct1606266053516
9376544738663
10121112123214
11473aa6aa815
121b580256326
13b561721144
145c0cd1d1dc
15323c933829
hex1c32d8574e

121112123214 has 32 divisors (see below), whose sum is σ = 258869696256. Its totient is φ = 37640854400.

The previous prime is 121112123203. The next prime is 121112123257. The reversal of 121112123214 is 412321211121.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5537562 + ... + 5559389.

It is an arithmetic number, because the mean of its divisors is an integer number (8089678008).

Almost surely, 2121112123214 is an apocalyptic number.

121112123214 is an abundant number, since it is smaller than the sum of its proper divisors (137757573042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121112123214 is a wasteful number, since it uses less digits than its factorization.

121112123214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097080.

The product of its digits is 192, while the sum is 21.

Adding to 121112123214 its reverse (412321211121), we get a palindrome (533433334335).

The spelling of 121112123214 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty-three thousand, two hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 11096951 22193902 33290853 66581706 188648167 377296334 565944501 1131889002 1187373757 2374747514 3562121271 7124242542 20185353869 40370707738 60556061607 121112123214