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120010810812 = 22310000900901
BaseRepresentation
bin110111111000100110…
…0111010010110111100
3102110202202111212010220
41233301030322112330
53431240231421222
6131044320101340
711445660026544
oct1576114722674
9373682455126
10120010810812
1146994a79482
121b313464850
13b417500cb9
145b4695c324
1531c5dddb5c
hex1bf133a5bc

120010810812 has 12 divisors (see below), whose sum is σ = 280025225256. Its totient is φ = 40003603600.

The previous prime is 120010810811. The next prime is 120010810847. The reversal of 120010810812 is 218018010021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010810811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000450439 + ... + 5000450462.

It is an arithmetic number, because the mean of its divisors is an integer number (23335435438).

Almost surely, 2120010810812 is an apocalyptic number.

120010810812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120010810812 is an abundant number, since it is smaller than the sum of its proper divisors (160014414444).

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

120010810812 is a wasteful number, since it uses less digits than its factorization.

120010810812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000900908 (or 10000900906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 24.

Adding to 120010810812 its reverse (218018010021), we get a palindrome (338028820833).

The spelling of 120010810812 in words is "one hundred twenty billion, ten million, eight hundred ten thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 10000900901 20001801802 30002702703 40003603604 60005405406 120010810812