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12221010311300 = 22527217371920051
BaseRepresentation
bin1011000111010110110011…
…1110100111100010000100
31121021022120012222012002122
42301311230332213202010
53100212112114430200
641554131000025112
72400640012451300
oct261655476474204
947238505865078
1012221010311300
1139919a07a093a
12145461b762198
136a85897c400b
14303700218d00
15162d6ab7c385
hexb1d6cfa7884

12221010311300 has 216 divisors, whose sum is σ = 31072344992640. Its totient is φ = 4159839264000.

The previous prime is 12221010311273. The next prime is 12221010311353. The reversal of 12221010311300 is 311301012221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 609486275 + ... + 609506325.

It is an arithmetic number, because the mean of its divisors is an integer number (143853449040).

Almost surely, 212221010311300 is an apocalyptic number.

12221010311300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12221010311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15536172496320).

12221010311300 is an abundant number, since it is smaller than the sum of its proper divisors (18851334681340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221010311300 is a wasteful number, since it uses less digits than its factorization.

12221010311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20971 (or 20957 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12221010311300 its reverse (311301012221), we get a palindrome (12532311323521).

The spelling of 12221010311300 in words is "twelve trillion, two hundred twenty-one billion, ten million, three hundred eleven thousand, three hundred".