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12021303130 = 251202130313
BaseRepresentation
bin10110011001000011…
…01000011101011010
31011000210012110202021
423030201220131122
5144104423200010
65304510125054
7603620250664
oct131441503532
934023173667
1012021303130
115109791a71
1223b5ab078a
1311976b3125
148207a5534
154a557c8da
hex2cc86875a

12021303130 has 8 divisors (see below), whose sum is σ = 21638345652. Its totient is φ = 4808521248.

The previous prime is 12021303121. The next prime is 12021303131. The reversal of 12021303130 is 3130312021.

It can be written as a sum of positive squares in 2 ways, for example, as 11385103401 + 636199729 = 106701^2 + 25223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12021303131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601065147 + ... + 601065166.

Almost surely, 212021303130 is an apocalyptic number.

12021303130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021303130 is a deficient number, since it is larger than the sum of its proper divisors (9617042522).

12021303130 is a wasteful number, since it uses less digits than its factorization.

12021303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202130320.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12021303130 its reverse (3130312021), we get a palindrome (15151615151).

The spelling of 12021303130 in words is "twelve billion, twenty-one million, three hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 1202130313 2404260626 6010651565 12021303130