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12086812312 = 231510851539
BaseRepresentation
bin10110100000110111…
…00001111010011000
31011012100110200110021
423100123201322120
5144223210443222
65315210200224
7605344131601
oct132033417230
934170420407
1012086812312
115142765a93
122413a23074
1311a813b863
14829378da8
154ab1bcac7
hex2d06e1e98

12086812312 has 8 divisors (see below), whose sum is σ = 22662773100. Its totient is φ = 6043406152.

The previous prime is 12086812307. The next prime is 12086812313. The reversal of 12086812312 is 21321868021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12086812313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755425762 + ... + 755425777.

Almost surely, 212086812312 is an apocalyptic number.

It is an amenable number.

12086812312 is a deficient number, since it is larger than the sum of its proper divisors (10575960788).

12086812312 is a wasteful number, since it uses less digits than its factorization.

12086812312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510851545 (or 1510851541 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 12086812312 in words is "twelve billion, eighty-six million, eight hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 1510851539 3021703078 6043406156 12086812312