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12212302120301 = 257189169251197
BaseRepresentation
bin1011000110110110010111…
…1011100000010101101101
31121020111002022222020210002
42301231211323200111231
53100041243320322201
641550130521154045
72400211142163323
oct261554573402555
947214068866702
1012212302120301
11398923219a078
1214529ab32b925
136a77cc63448a
14303115883d13
15162a0b3e276b
hexb1b65ee056d

12212302120301 has 8 divisors (see below), whose sum is σ = 12259934420280. Its totient is φ = 12164670701568.

The previous prime is 12212302120253. The next prime is 12212302120327. The reversal of 12212302120301 is 10302120321221.

It can be written as a sum of positive squares in 4 ways, for example, as 10751283577225 + 1461018543076 = 3278915^2 + 1208726^2 .

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 12212302120301 - 218 = 12212301858157 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 (12212302120391) 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, 48490835 + ... + 48742031.

It is an arithmetic number, because the mean of its divisors is an integer number (1532491802535).

Almost surely, 212212302120301 is an apocalyptic number.

It is an amenable number.

12212302120301 is a deficient number, since it is larger than the sum of its proper divisors (47632299979).

12212302120301 is a wasteful number, since it uses less digits than its factorization.

12212302120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440623.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12212302120301 its reverse (10302120321221), we get a palindrome (22514422441522).

The spelling of 12212302120301 in words is "twelve trillion, two hundred twelve billion, three hundred two million, one hundred twenty thousand, three hundred one".

Divisors: 1 257 189169 251197 48616433 64557629 47518685293 12212302120301