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2222021221012 = 226723335584223
BaseRepresentation
bin100000010101011010110…
…010010001101010010100
321212102102110221110200201
4200111122302101222110
5242401144413033022
64420441002150244
7316351520513425
oct40253262215224
97772373843621
102222021221012
1178739906229a
122ba7864b2384
131316c6c25628
147979147764c
153cbee873127
hex2055ac91a94

2222021221012 has 24 divisors (see below), whose sum is σ = 3963513206016. Its totient is φ = 1089731214528.

The previous prime is 2222021220983. The next prime is 2222021221027. The reversal of 2222021221012 is 2101221202222.

It is a super-3 number, since 3×22220212210123 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17729668 + ... + 17854555.

It is an arithmetic number, because the mean of its divisors is an integer number (165146383584).

Almost surely, 22222021221012 is an apocalyptic number.

It is an amenable number.

2222021221012 is a deficient number, since it is larger than the sum of its proper divisors (1741491985004).

2222021221012 is a wasteful number, since it uses less digits than its factorization.

2222021221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35584527 (or 35584525 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2222021221012 its reverse (2101221202222), we get a palindrome (4323242423234).

The spelling of 2222021221012 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 4 67 134 233 268 466 932 15611 31222 62444 35584223 71168446 142336892 2384142941 4768285882 8291123959 9536571764 16582247918 33164495836 555505305253 1111010610506 2222021221012