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1230212223222 = 23376782708903
BaseRepresentation
bin10001111001101110010…
…111001101000011110110
311100121101121100001212220
4101321232113031003312
5130123433312120342
62341052433223210
7154610543235333
oct21715627150366
94317347301786
101230212223222
11434803801614
1217a50b701b06
138c015926878
1443784c1798a
15220022855ec
hex11e6e5cd0f6

1230212223222 has 32 divisors (see below), whose sum is σ = 2564637695232. Its totient is φ = 393032702304.

The previous prime is 1230212223197. The next prime is 1230212223271. The reversal of 1230212223222 is 2223222120321.

It is a super-2 number, since 2×12302122232222 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230212223192 and 1230212223201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41339578 + ... + 41369325.

It is an arithmetic number, because the mean of its divisors is an integer number (80144927976).

Almost surely, 21230212223222 is an apocalyptic number.

1230212223222 is an abundant number, since it is smaller than the sum of its proper divisors (1334425472010).

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

1230212223222 is a wasteful number, since it uses less digits than its factorization.

1230212223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82709012.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1230212223222 its reverse (2223222120321), we get a palindrome (3453434343543).

The spelling of 1230212223222 in words is "one trillion, two hundred thirty billion, two hundred twelve million, two hundred twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 37 67 74 111 134 201 222 402 2479 4958 7437 14874 82708903 165417806 248126709 496253418 3060229411 5541496501 6120458822 9180688233 11082993002 16624489503 18361376466 33248979006 205035370537 410070741074 615106111611 1230212223222