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121120001112 = 23311608975347
BaseRepresentation
bin111000011001101010…
…0001000110001011000
3102120122001122120012010
41300303110020301120
53441023210013422
6131350341545520
711515316010525
oct1606324106130
9376561576163
10121120001112
11474040a0580
121b582a152a0
13b56324bb16
145c0ddb014c
15323d48cb0c
hex1c33508c58

121120001112 has 64 divisors (see below), whose sum is σ = 330385910400. Its totient is φ = 36696515840.

The previous prime is 121120001077. The next prime is 121120001113. The reversal of 121120001112 is 211100021121.

121120001112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120001113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569823 + ... + 1645169.

It is an arithmetic number, because the mean of its divisors is an integer number (5162279850).

Almost surely, 2121120001112 is an apocalyptic number.

121120001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121120001112 is an abundant number, since it is smaller than the sum of its proper divisors (209265909288).

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

121120001112 is a wasteful number, since it uses less digits than its factorization.

121120001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81456 (or 81452 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121120001112 its reverse (211100021121), we get a palindrome (332220022233).

The spelling of 121120001112 in words is "one hundred twenty-one billion, one hundred twenty million, one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 6089 12178 18267 24356 36534 48712 66979 73068 75347 133958 146136 150694 200937 226041 267916 301388 401874 452082 535832 602776 803748 828817 904164 1607496 1657634 1808328 2486451 3315268 4972902 6630536 9945804 19891608 458787883 917575766 1376363649 1835151532 2752727298 3670303064 5046666713 5505454596 10093333426 11010909192 15140000139 20186666852 30280000278 40373333704 60560000556 121120001112