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1212031114 = 27793173457
BaseRepresentation
bin100100000111110…
…0010000010001010
310010110122120010021
41020033202002022
54440234443424
6320134011054
742015044260
oct11017420212
93113576107
101212031114
11572183a08
12299aa6a8a
13164147698
14b6d82430
15716154e4
hex483e208a

1212031114 has 32 divisors (see below), whose sum is σ = 2111316480. Its totient is φ = 511100928.

The previous prime is 1212031111. The next prime is 1212031123. The reversal of 1212031114 is 4111302121.

It is not an unprimeable number, because it can be changed into a prime (1212031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348874 + ... + 352330.

It is an arithmetic number, because the mean of its divisors is an integer number (65978640).

Almost surely, 21212031114 is an apocalyptic number.

1212031114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1212031114 is a deficient number, since it is larger than the sum of its proper divisors (899285366).

1212031114 is a wasteful number, since it uses less digits than its factorization.

1212031114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1212031114 is about 34814.2372313397. The cubic root of 1212031114 is about 1066.1981457786.

Adding to 1212031114 its reverse (4111302121), we get a palindrome (5323333235).

It can be divided in two parts, 12120 and 31114, that added together give a palindrome (43234).

The spelling of 1212031114 in words is "one billion, two hundred twelve million, thirty-one thousand, one hundred fourteen".

Divisors: 1 2 7 14 79 158 317 553 634 1106 2219 3457 4438 6914 24199 25043 48398 50086 175301 273103 350602 546206 1095869 1911721 2191738 3823442 7671083 15342166 86573651 173147302 606015557 1212031114