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12120000010 = 253457350593
BaseRepresentation
bin10110100100110100…
…01000011000001010
31011021122220210102021
423102122020120022
5144310210000020
65322353355054
7606226204666
oct132232103012
934248823367
1012120000010
11515a473438
122422b68a8a
1311b1c8b751
1482d9378a6
154ae0761aa
hex2d268860a

12120000010 has 16 divisors (see below), whose sum is σ = 21822372936. Its totient is φ = 4846583808.

The previous prime is 12119999999. The next prime is 12120000019. The reversal of 12120000010 is 1000002121.

It can be written as a sum of positive squares in 4 ways, for example, as 7507009449 + 4612990561 = 86643^2 + 67919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12119999948 and 12120000002.

It is not an unprimeable number, because it can be changed into a prime (12120000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140727 + ... + 209866.

Almost surely, 212120000010 is an apocalyptic number.

12120000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120000010 is a deficient number, since it is larger than the sum of its proper divisors (9702372926).

12120000010 is a wasteful number, since it uses less digits than its factorization.

12120000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354057.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12120000010 its reverse (1000002121), we get a palindrome (13120002131).

The spelling of 12120000010 in words is "twelve billion, one hundred twenty million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 3457 6914 17285 34570 350593 701186 1752965 3505930 1212000001 2424000002 6060000005 12120000010