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2212313212312 = 237257153718261
BaseRepresentation
bin100000001100011000001…
…001001010010110011000
321211111100220121112022221
4200030120021022112120
5242221304140243222
64412153405553424
7315556120014160
oct40143011122630
97744326545287
102212313212312
11783267151705
122b8917275874
1313080a890898
14791100015a0
153c8324410c7
hex2031824a598

2212313212312 has 32 divisors (see below), whose sum is σ = 4759117391520. Its totient is φ = 944444989440.

The previous prime is 2212313212303. The next prime is 2212313212387. The reversal of 2212313212312 is 2132123132122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76844739 + ... + 76873522.

It is an arithmetic number, because the mean of its divisors is an integer number (148722418485).

Almost surely, 22212313212312 is an apocalyptic number.

It is an amenable number.

2212313212312 is an abundant number, since it is smaller than the sum of its proper divisors (2546804179208).

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

2212313212312 is a wasteful number, since it uses less digits than its factorization.

2212313212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153718531 (or 153718527 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 2212313212312 its reverse (2132123132122), we get a palindrome (4344436344434).

The spelling of 2212313212312 in words is "two trillion, two hundred twelve billion, three hundred thirteen million, two hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 257 514 1028 1799 2056 3598 7196 14392 153718261 307436522 614873044 1076027827 1229746088 2152055654 4304111308 8608222616 39505593077 79011186154 158022372308 276539151539 316044744616 553078303078 1106156606156 2212313212312