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BaseRepresentation
bin10110010110101000…
…01011101001000011
31010222100222222002121
423023110023221003
5144034224000003
65302503025111
7603252550126
oct131324135103
933870888077
1012001000003
1150a9284a23
1223ab13b197
131193424a45
1481bbdc3bd
154a38bbcbd
hex2cb50ba43

12001000003 has 2 divisors, whose sum is σ = 12001000004. Its totient is φ = 12001000002.

The previous prime is 12000999973. The next prime is 12001000031. The reversal of 12001000003 is 30000010021.

Adding to 12001000003 its reverse (30000010021), we get a palindrome (42001010024).

It is a strong prime.

It is an emirp because it is prime and its reverse (30000010021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12001000003 - 213 = 12000991811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001000003.

It is not a weakly prime, because it can be changed into another prime (12001000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000500001 + 6000500002.

It is an arithmetic number, because the mean of its divisors is an integer number (6000500002).

Almost surely, 212001000003 is an apocalyptic number.

12001000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001000003 is an equidigital number, since it uses as much as digits as its factorization.

12001000003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

The spelling of 12001000003 in words is "twelve billion, one million, three", and thus it is an aban number and an uban number.