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103212333012 = 22379108873769
BaseRepresentation
bin110000000011111101…
…1110011011111010100
3100212102001012202201110
41200013323303133110
53142334324124022
6115225354255020
710312461232605
oct1400773633724
9325361182643
10103212333012
113a854742478
1218005727470
13996b1a89c9
144dd1939dac
152a4127200c
hex1807ef37d4

103212333012 has 24 divisors (see below), whose sum is σ = 243877244800. Its totient is φ = 33968615616.

The previous prime is 103212332983. The next prime is 103212333017. The reversal of 103212333012 is 210333212301.

It is a self number, because there is not a number n which added to its sum of digits gives 103212333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212333017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54435937 + ... + 54437832.

Almost surely, 2103212333012 is an apocalyptic number.

103212333012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103212333012 is an abundant number, since it is smaller than the sum of its proper divisors (140664911788).

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

103212333012 is a wasteful number, since it uses less digits than its factorization.

103212333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108873855 (or 108873853 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103212333012 its reverse (210333212301), we get a palindrome (313545545313).

The spelling of 103212333012 in words is "one hundred three billion, two hundred twelve million, three hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 108873769 217747538 326621307 435495076 653242614 1306485228 8601027751 17202055502 25803083253 34404111004 51606166506 103212333012