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2220111120012 = 223298336201497
BaseRepresentation
bin100000010011101000111…
…011110100011010001100
321212020111100202021201020
4200103220323310122030
5242333241421320022
64415523250114140
7316253265104022
oct40235073643214
97766440667636
102220111120012
117865a8938125
122ba33287b950
13131481296256
147964d900712
153cb3bd1c35c
hex204e8ef468c

2220111120012 has 24 divisors (see below), whose sum is σ = 5180433757296. Its totient is φ = 740012114688.

The previous prime is 2220111119981. The next prime is 2220111120013. The reversal of 2220111120012 is 2100211110222.

It is a junction number, because it is equal to n+sod(n) for n = 2220111119973 and 2220111120000.

It is not an unprimeable number, because it can be changed into a prime (2220111120013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2742753 + ... + 3458744.

It is an arithmetic number, because the mean of its divisors is an integer number (215851406554).

Almost surely, 22220111120012 is an apocalyptic number.

It is an amenable number.

2220111120012 is an abundant number, since it is smaller than the sum of its proper divisors (2960322637284).

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

2220111120012 is a wasteful number, since it uses less digits than its factorization.

2220111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231337 (or 6231335 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2220111120012 its reverse (2100211110222), we get a palindrome (4320322230234).

The spelling of 2220111120012 in words is "two trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 29833 59666 89499 119332 178998 357996 6201497 12402994 18604491 24805988 37208982 74417964 185009260001 370018520002 555027780003 740037040004 1110055560006 2220111120012