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12130047215420 = 2252467245846113
BaseRepresentation
bin1011000010000011111100…
…1001111100011100111100
31120221121202211212010210112
42300200333021330130330
53042214314041343140
641444244453125152
72361236610056111
oct260407711743474
946847684763715
1012130047215420
113957362472642
12143aa743297b8
1369cb212b6224
142dd151458908
151607e4eadc65
hexb083f27c73c

12130047215420 has 24 divisors (see below), whose sum is σ = 25483424792784. Its totient is φ = 4850052097536.

The previous prime is 12130047215417. The next prime is 12130047215569. The reversal of 12130047215420 is 2451274003121.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 122873717 + ... + 122972396.

It is an arithmetic number, because the mean of its divisors is an integer number (1061809366366).

Almost surely, 212130047215420 is an apocalyptic number.

12130047215420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130047215420 is an abundant number, since it is smaller than the sum of its proper divisors (13353377577364).

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

12130047215420 is a wasteful number, since it uses less digits than its factorization.

12130047215420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245848589 (or 245848587 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 12130047215420 in words is "twelve trillion, one hundred thirty billion, forty-seven million, two hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2467 4934 9868 12335 24670 49340 245846113 491692226 983384452 1229230565 2458461130 4916922260 606502360771 1213004721542 2426009443084 3032511803855 6065023607710 12130047215420