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1212014312 = 23151501789
BaseRepresentation
bin100100000111101…
…1101111011101000
310010110121201001222
41020033131323220
54440233424222
6320133401212
742014644265
oct11017357350
93113551058
101212014312
11572172323
12299a99208
1316413cb42
14b6d7a26c
1571610542
hex483ddee8

1212014312 has 8 divisors (see below), whose sum is σ = 2272526850. Its totient is φ = 606007152.

The previous prime is 1212014311. The next prime is 1212014327. The reversal of 1212014312 is 2134102121.

It can be written as a sum of positive squares in only one way, i.e., 715348516 + 496665796 = 26746^2 + 22286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1212014311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75750887 + ... + 75750902.

Almost surely, 21212014312 is an apocalyptic number.

It is an amenable number.

1212014312 is a deficient number, since it is larger than the sum of its proper divisors (1060512538).

1212014312 is a wasteful number, since it uses less digits than its factorization.

1212014312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151501795 (or 151501791 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1212014312 is about 34813.9959211809. The cubic root of 1212014312 is about 1066.1932189678.

Adding to 1212014312 its reverse (2134102121), we get a palindrome (3346116433).

The spelling of 1212014312 in words is "one billion, two hundred twelve million, fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 151501789 303003578 606007156 1212014312