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12030321203 = 1311813131621
BaseRepresentation
bin10110011010001000…
…00010001000110011
31011001102011122012222
423031010002020303
5144114230234303
65305431311255
7604060020515
oct131504021063
934042148188
1012030321203
11511389141a
1223b8b1b52b
13119951ca74
14821a71bb5
154a625e938
hex2cd102233

12030321203 has 16 divisors (see below), whose sum is σ = 12235615392. Its totient is φ = 11827296000.

The previous prime is 12030321197. The next prime is 12030321209. The reversal of 12030321203 is 30212303021.

It is an interprime number because it is at equal distance from previous prime (12030321197) and next prime (12030321209).

It is a cyclic number.

It is not a de Polignac number, because 12030321203 - 28 = 12030320947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030321209) 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 15 ways as a sum of consecutive naturals, for example, 7420733 + ... + 7422353.

It is an arithmetic number, because the mean of its divisors is an integer number (764725962).

Almost surely, 212030321203 is an apocalyptic number.

12030321203 is a deficient number, since it is larger than the sum of its proper divisors (205294189).

12030321203 is a wasteful number, since it uses less digits than its factorization.

12030321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12030321203 its reverse (30212303021), we get a palindrome (42242624224).

The spelling of 12030321203 in words is "twelve billion, thirty million, three hundred twenty-one thousand, two hundred three".

Divisors: 1 131 181 313 1621 23711 41003 56653 212351 293401 507373 7421543 38435531 66465863 91834513 12030321203