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12205004101 = 731559107243
BaseRepresentation
bin10110101110111100…
…11001010101000101
31011111120212110002221
423113132121111011
5144443440112401
65335031332341
7611310552223
oct132736312505
934446773087
1012205004101
1151a3452254
1224475210b1
1311c6781724
1483ad43b13
154b67677a1
hex2d7799545

12205004101 has 8 divisors (see below), whose sum is σ = 12380247360. Its totient is φ = 12029978592.

The previous prime is 12205004093. The next prime is 12205004111. The reversal of 12205004101 is 10140050221.

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

It is a cyclic number.

It is not a de Polignac number, because 12205004101 - 23 = 12205004093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205004111) 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, 60186 + ... + 167428.

It is an arithmetic number, because the mean of its divisors is an integer number (1547530920).

Almost surely, 212205004101 is an apocalyptic number.

It is an amenable number.

12205004101 is a deficient number, since it is larger than the sum of its proper divisors (175243259).

12205004101 is a wasteful number, since it uses less digits than its factorization.

12205004101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108875.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12205004101 its reverse (10140050221), we get a palindrome (22345054322).

The spelling of 12205004101 in words is "twelve billion, two hundred five million, four thousand, one hundred one".

Divisors: 1 73 1559 107243 113807 7828739 167191837 12205004101