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201202201221222 = 2397345708249521
BaseRepresentation
bin101101101111111000001001…
…101110110101100001100110
3222101101202001100022210101210
4231233320021232311201212
5202332444102003034342
61551531003141532250
760244244053144245
oct5557701156654146
9871352040283353
10201202201221222
1159122413293533
121a696402114086
138836394915046
14379834a62695c
15183dae713879c
hexb6fe09bb5866

201202201221222 has 16 divisors (see below), whose sum is σ = 406552901437872. Its totient is φ = 66375983907840.

The previous prime is 201202201221179. The next prime is 201202201221223. The reversal of 201202201221222 is 222122102202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202201221223) 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, 172854124179 + ... + 172854125342.

It is an arithmetic number, because the mean of its divisors is an integer number (25409556339867).

Almost surely, 2201202201221222 is an apocalyptic number.

201202201221222 is an abundant number, since it is smaller than the sum of its proper divisors (205350700216650).

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

201202201221222 is a wasteful number, since it uses less digits than its factorization.

201202201221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345708249623.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201202201221222 its reverse (222122102202102), we get a palindrome (423324303423324).

The spelling of 201202201221222 in words is "two hundred one trillion, two hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 97 194 291 582 345708249521 691416499042 1037124748563 2074249497126 33533700203537 67067400407074 100601100610611 201202201221222