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1212314334 = 2371131471801
BaseRepresentation
bin100100001000010…
…0111001011011110
310010111011221121220
41020100213023132
54440323024314
6320144034210
742020334060
oct11020471336
93114157556
101212314334
11572357780
1229a002966
1316421657a
14b7017730
157166e3a9
hex484272de

1212314334 has 128 divisors (see below), whose sum is σ = 3188588544. Its totient is φ = 298080000.

The previous prime is 1212314333. The next prime is 1212314357. The reversal of 1212314334 is 4334132121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212314333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 672234 + ... + 674034.

It is an arithmetic number, because the mean of its divisors is an integer number (24910848).

Almost surely, 21212314334 is an apocalyptic number.

1212314334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212314334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594294272).

1212314334 is an abundant number, since it is smaller than the sum of its proper divisors (1976274210).

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

1212314334 is a wasteful number, since it uses less digits than its factorization.

1212314334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902.

The product of its digits is 1728, while the sum is 24.

The square root of 1212314334 is about 34818.3045825037. The cubic root of 1212314334 is about 1066.2811868594.

Adding to 1212314334 its reverse (4334132121), we get a palindrome (5546446455).

The spelling of 1212314334 in words is "one billion, two hundred twelve million, three hundred fourteen thousand, three hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 21 22 31 33 42 47 62 66 77 93 94 141 154 186 217 231 282 329 341 434 462 517 651 658 682 987 1023 1034 1302 1457 1551 1801 1974 2046 2387 2914 3102 3602 3619 4371 4774 5403 7161 7238 8742 10199 10806 10857 12607 14322 16027 19811 20398 21714 25214 30597 32054 37821 39622 48081 55831 59433 61194 75642 84647 96162 111662 112189 118866 138677 167493 169294 224378 253941 277354 334986 336567 390817 416031 507882 592529 614141 673134 781634 832062 931117 1172451 1185058 1228282 1777587 1842423 1862234 2344902 2624057 2793351 3555174 3684846 4298987 5248114 5586702 6517819 7872171 8597974 12896961 13035638 15744342 18368399 19553457 25793922 28864627 36736798 39106914 55105197 57729254 86593881 110210394 173187762 202052389 404104778 606157167 1212314334