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2212202012223 = 373130817110269
BaseRepresentation
bin100000001100010001100…
…000111101111000111111
321211111002011100222111010
4200030101200331320333
5242221042203342343
64412134354330303
7315553266563520
oct40142140757077
97744064328433
102212202012223
1178320a400405
122b88a5b89993
131307c0828208
14790dd336847
153c8277c7d33
hex2031183de3f

2212202012223 has 32 divisors (see below), whose sum is σ = 3479860080640. Its totient is φ = 1223286727680.

The previous prime is 2212202012197. The next prime is 2212202012231. The reversal of 2212202012223 is 3222102022122.

It is not a de Polignac number, because 2212202012223 - 213 = 2212202004031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212202012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212202002223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20006733 + ... + 20117001.

It is an arithmetic number, because the mean of its divisors is an integer number (108745627520).

Almost surely, 22212202012223 is an apocalyptic number.

2212202012223 is a deficient number, since it is larger than the sum of its proper divisors (1267658068417).

2212202012223 is a wasteful number, since it uses less digits than its factorization.

2212202012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141127.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2212202012223 its reverse (3222102022122), we get a palindrome (5434304034345).

The spelling of 2212202012223 in words is "two trillion, two hundred twelve billion, two hundred two million, twelve thousand, two hundred twenty-three".

Divisors: 1 3 7 21 31 93 217 651 30817 92451 110269 215719 330807 647157 771883 955327 2315649 2865981 3418339 6687289 10255017 20061867 23928373 71785119 3398159773 10194479319 23787118411 71361355233 105342952963 316028858889 737400670741 2212202012223