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213020301120012 = 2232172937557582391
BaseRepresentation
bin110000011011110110100111…
…011000001101001000001100
31000221020112122001021100002200
4300123312213120031020030
5210410111034041320022
62033020101513321500
762604131433626061
oct6033664730151014
91027215561240080
10213020301120012
1161969447610a81
121ba84917a06290
1391b2960b22739
143a86347d16c68
151996230b22bac
hexc1bda760d20c

213020301120012 has 288 divisors, whose sum is σ = 606831824027520. Its totient is φ = 62668667658240.

The previous prime is 213020301119999. The next prime is 213020301120013. The reversal of 213020301120012 is 210021103020312.

213020301120012 is a `hidden beast` number, since 2 + 130 + 20 + 301 + 1 + 200 + 12 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (213020301120013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 365477337 + ... + 366059727.

It is an arithmetic number, because the mean of its divisors is an integer number (2107054944540).

Almost surely, 2213020301120012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213020301120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303415912013760).

213020301120012 is an abundant number, since it is smaller than the sum of its proper divisors (393811522907508).

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

213020301120012 is a wasteful number, since it uses less digits than its factorization.

213020301120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583041 (or 583036 counting only the distinct ones).

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

Adding to 213020301120012 its reverse (210021103020312), we get a palindrome (423041404140324).

The spelling of 213020301120012 in words is "two hundred thirteen trillion, twenty billion, three hundred one million, one hundred twenty thousand, twelve".