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12302131112 = 2373206310211
BaseRepresentation
bin10110111010100001…
…11001111110101000
31011202100122000022122
423131100321332220
5200143321143422
65352421210412
7613600250315
oct133520717650
934670560278
1012302131112
115243261207
122473b60a08
13121092a62b
14849bc7d0c
154c0050d42
hex2dd439fa8

12302131112 has 32 divisors (see below), whose sum is σ = 23396100480. Its totient is φ = 6063269760.

The previous prime is 12302131097. The next prime is 12302131133. The reversal of 12302131112 is 21113120321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199687 + ... + 1209897.

It is an arithmetic number, because the mean of its divisors is an integer number (731128140).

Almost surely, 212302131112 is an apocalyptic number.

It is an amenable number.

12302131112 is a deficient number, since it is larger than the sum of its proper divisors (11093969368).

12302131112 is a wasteful number, since it uses less digits than its factorization.

12302131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353 (or 12349 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12302131112 its reverse (21113120321), we get a palindrome (33415251433).

The spelling of 12302131112 in words is "twelve billion, three hundred two million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 73 146 292 584 2063 4126 8252 10211 16504 20422 40844 81688 150599 301198 602396 745403 1204792 1490806 2981612 5963224 21065293 42130586 84261172 168522344 1537766389 3075532778 6151065556 12302131112