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120002220012 = 22310000185001
BaseRepresentation
bin110111111000010110…
…0001000111111101100
3102110202011100101210010
41233300230020333230
53431231032020022
6131043412013220
711445524016513
oct1576054107754
9373664311703
10120002220012
1146990141044
121b310601210
13b4157b399c
145b4576367a
1531c529350c
hex1bf0b08fec

120002220012 has 12 divisors (see below), whose sum is σ = 280005180056. Its totient is φ = 40000740000.

The previous prime is 120002220001. The next prime is 120002220083. The reversal of 120002220012 is 210022200021.

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

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10000185001 = 120002220012 / (1 + 2 + 0 + 0 + 0 + 2 + 2 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 120002220012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000092489 + ... + 5000092512.

Almost surely, 2120002220012 is an apocalyptic number.

120002220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120002220012 is an abundant number, since it is smaller than the sum of its proper divisors (160002960044).

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

120002220012 is a wasteful number, since it uses less digits than its factorization.

120002220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000185008 (or 10000185006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120002220012 its reverse (210022200021), we get a palindrome (330024420033).

The spelling of 120002220012 in words is "one hundred twenty billion, two million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 10000185001 20000370002 30000555003 40000740004 60001110006 120002220012