Search a number
12066365351021 = 32224937444229
BaseRepresentation
bin1010111110010110101101…
…1010111010010001101101
31120201112101202012020121012
42233211223122322101231
53040143404012213041
641355113421515005
72353523532126632
oct257455332722155
946645352166535
1012066365351021
113932353742343
12142a661412a65
13696b12b15067
142da02d9c6189
1515dd193c83eb
hexaf96b6ba46d

12066365351021 has 4 divisors (see below), whose sum is σ = 12066403117500. Its totient is φ = 12066327584544.

The previous prime is 12066365350999. The next prime is 12066365351069. The reversal of 12066365351021 is 12015356366021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7209251850025 + 4857113500996 = 2685005^2 + 2203886^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066365351021 - 242 = 7668318839917 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 12066365351021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066365351221) 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, 18399866 + ... + 19044363.

It is an arithmetic number, because the mean of its divisors is an integer number (3016600779375).

Almost surely, 212066365351021 is an apocalyptic number.

It is an amenable number.

12066365351021 is a deficient number, since it is larger than the sum of its proper divisors (37766479).

12066365351021 is an equidigital number, since it uses as much as digits as its factorization.

12066365351021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37766478.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 12066365351021 in words is "twelve trillion, sixty-six billion, three hundred sixty-five million, three hundred fifty-one thousand, twenty-one".

Divisors: 1 322249 37444229 12066365351021