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12021103220130 = 23453116319914759
BaseRepresentation
bin1010111011101110000110…
…0101100101010110100010
31120120012120100111202120000
42232323201211211112202
53033423204411021010
641322230225200430
72350332100303434
oct256734145452642
946505510452500
1012021103220130
1139151374184a4
12142192b190116
1369277b804aa4
142d7b78600654
1515ca6a95b7c0
hexaeee19655a2

12021103220130 has 320 divisors, whose sum is σ = 33741785088000. Its totient is φ = 3067486899840.

The previous prime is 12021103220117. The next prime is 12021103220131. The reversal of 12021103220130 is 3102230112021.

12021103220130 is a `hidden beast` number, since 1 + 2 + 0 + 211 + 0 + 322 + 0 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12021103220131) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 814485691 + ... + 814500449.

It is an arithmetic number, because the mean of its divisors is an integer number (105443078400).

Almost surely, 212021103220130 is an apocalyptic number.

12021103220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021103220130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16870892544000).

12021103220130 is an abundant number, since it is smaller than the sum of its proper divisors (21720681867870).

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

12021103220130 is a wasteful number, since it uses less digits than its factorization.

12021103220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171 (or 15162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12021103220130 its reverse (3102230112021), we get a palindrome (15123333332151).

The spelling of 12021103220130 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, one hundred thirty".