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12051520500213 = 33446352611119
BaseRepresentation
bin1010111101011111011010…
…0110010011000111110101
31120200010002011222200121000
42233113312212103013311
53034423003222001323
641344220405113513
72352456625024335
oct257276646230765
946603064880530
1012051520500213
11392702615a1a7
1214277b99b8899
136955b847b87c
142d942222b0c5
1515d74b00de43
hexaf5f69931f5

12051520500213 has 8 divisors (see below), whose sum is σ = 17854104444800. Its totient is φ = 8034347000124.

The previous prime is 12051520500199. The next prime is 12051520500221. The reversal of 12051520500213 is 31200502515021.

12051520500213 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 152 + 0 + 500 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 12051520500213 - 210 = 12051520499189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 446352611119 = 12051520500213 / (1 + 2 + 0 + 5 + 1 + 5 + 2 + 0 + 5 + 0 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051520500713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223176305533 + ... + 223176305586.

It is an arithmetic number, because the mean of its divisors is an integer number (2231763055600).

Almost surely, 212051520500213 is an apocalyptic number.

It is an amenable number.

12051520500213 is a deficient number, since it is larger than the sum of its proper divisors (5802583944587).

12051520500213 is an equidigital number, since it uses as much as digits as its factorization.

12051520500213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446352611128 (or 446352611122 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 12051520500213 in words is "twelve trillion, fifty-one billion, five hundred twenty million, five hundred thousand, two hundred thirteen".

Divisors: 1 3 9 27 446352611119 1339057833357 4017173500071 12051520500213