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12230203224021 = 328031454418269
BaseRepresentation
bin1011000111111001000011…
…1010110010111111010101
31121022012021220001112121120
42301332100322302333111
53100334424011132041
642002251112034153
72401413560101146
oct261762072627725
947265256045546
1012230203224021
113995888974272
121456366392959
136a93c3219743
14303d330c9acd
15163207c63366
hexb1f90eb2fd5

12230203224021 has 8 divisors (see below), whose sum is σ = 16312755316320. Its totient is φ = 8150559973872.

The previous prime is 12230203224007. The next prime is 12230203224023. The reversal of 12230203224021 is 12042230203221.

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

It is not a de Polignac number, because 12230203224021 - 25 = 12230203223989 is a prime.

It is a super-2 number, since 2×122302032240212 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12230203223982 and 12230203224000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230203224023) 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, 727200726 + ... + 727217543.

It is an arithmetic number, because the mean of its divisors is an integer number (2039094414540).

Almost surely, 212230203224021 is an apocalyptic number.

It is an amenable number.

12230203224021 is a deficient number, since it is larger than the sum of its proper divisors (4082552092299).

12230203224021 is a wasteful number, since it uses less digits than its factorization.

12230203224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454421075.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12230203224021 its reverse (12042230203221), we get a palindrome (24272433427242).

The spelling of 12230203224021 in words is "twelve trillion, two hundred thirty billion, two hundred three million, two hundred twenty-four thousand, twenty-one".

Divisors: 1 3 2803 8409 1454418269 4363254807 4076734408007 12230203224021