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12103331203 = 17711960659
BaseRepresentation
bin10110100010110101…
…00010110110000011
31011020111112221010001
423101122202312003
5144241423044303
65321000220431
7605634421615
oct132132426603
934214487101
1012103331203
115151018967
12241946a717
1311ab6a3652
1482b638db5
154ac88231d
hex2d16a2d83

12103331203 has 4 divisors (see below), whose sum is σ = 12815291880. Its totient is φ = 11391370528.

The previous prime is 12103331143. The next prime is 12103331243. The reversal of 12103331203 is 30213330121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12103331203 - 221 = 12101234051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103331243) 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, 355980313 + ... + 355980346.

It is an arithmetic number, because the mean of its divisors is an integer number (3203822970).

Almost surely, 212103331203 is an apocalyptic number.

12103331203 is a deficient number, since it is larger than the sum of its proper divisors (711960677).

12103331203 is an equidigital number, since it uses as much as digits as its factorization.

12103331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711960676.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12103331203 its reverse (30213330121), we get a palindrome (42316661324).

The spelling of 12103331203 in words is "twelve billion, one hundred three million, three hundred thirty-one thousand, two hundred three".

Divisors: 1 17 711960659 12103331203