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12302020300 = 2252123020203
BaseRepresentation
bin10110111010100000…
…11110111011001100
31011202100102101022111
423131100132323030
5200143304122200
65352414553404
7613566306253
oct133520367314
934670371274
1012302020300
115243195a29
122473b08864
1312108bc06b
14849b9979a
154c002d0ba
hex2dd41eecc

12302020300 has 18 divisors (see below), whose sum is σ = 26695384268. Its totient is φ = 4920808080.

The previous prime is 12302020273. The next prime is 12302020337. The reversal of 12302020300 is 302020321.

It is a happy number.

It is a super-2 number, since 2×123020203002 (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 61510002 + ... + 61510201.

Almost surely, 212302020300 is an apocalyptic number.

12302020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302020300 is an abundant number, since it is smaller than the sum of its proper divisors (14393363968).

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

12302020300 is a wasteful number, since it uses less digits than its factorization.

12302020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123020217 (or 123020210 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12302020300 its reverse (302020321), we get a palindrome (12604040621).

The spelling of 12302020300 in words is "twelve billion, three hundred two million, twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 123020203 246040406 492080812 615101015 1230202030 2460404060 3075505075 6151010150 12302020300