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12100000213 = 73534896803
BaseRepresentation
bin10110100010011011…
…10101100111010101
31011020021021200212001
423101031311213111
5144240100001323
65320400555301
7605564206360
oct132115654725
934207250761
1012100000213
11514a153284
122418322b31
1311aaaa8452
1482b00d0d7
154ac4253ad
hex2d13759d5

12100000213 has 8 divisors (see below), whose sum is σ = 13867748928. Its totient is φ = 10342045824.

The previous prime is 12100000201. The next prime is 12100000249. The reversal of 12100000213 is 31200000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12100000213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100000313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2445931 + ... + 2450872.

It is an arithmetic number, because the mean of its divisors is an integer number (1733468616).

Almost surely, 212100000213 is an apocalyptic number.

It is an amenable number.

12100000213 is a deficient number, since it is larger than the sum of its proper divisors (1767748715).

12100000213 is an equidigital number, since it uses as much as digits as its factorization.

12100000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897163.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12100000213 its reverse (31200000121), we get a palindrome (43300000334).

The spelling of 12100000213 in words is "twelve billion, one hundred million, two hundred thirteen", and thus it is an aban number.

Divisors: 1 7 353 2471 4896803 34277621 1728571459 12100000213