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12212202212101 = 43296395850389
BaseRepresentation
bin1011000110110101111111…
…1110011000101100000101
31121020110211100222101111101
42301231133332120230011
53100041042231241401
641550112551540101
72400205520032633
oct261553776305405
947213740871441
1012212202212101
113989190860611
12145298198a631
136a77b4a236b8
143031064b8353
15162a0275a101
hexb1b5ff98b05

12212202212101 has 8 divisors (see below), whose sum is σ = 12500424462240. Its totient is φ = 11924171668752.

The previous prime is 12212202212059. The next prime is 12212202212149. The reversal of 12212202212101 is 10121220221221.

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 12212202212101 - 29 = 12212202211589 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 (12218202212101) 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, 47797786 + ... + 48052603.

It is an arithmetic number, because the mean of its divisors is an integer number (1562553057780).

Almost surely, 212212202212101 is an apocalyptic number.

It is an amenable number.

12212202212101 is a deficient number, since it is larger than the sum of its proper divisors (288222250139).

12212202212101 is an equidigital number, since it uses as much as digits as its factorization.

12212202212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95853395.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212202212101 its reverse (10121220221221), we get a palindrome (22333422433322).

The spelling of 12212202212101 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred one".

Divisors: 1 43 2963 127409 95850389 4121566727 284004702607 12212202212101