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202021202022012 = 22373143173239419
BaseRepresentation
bin101101111011110010111001…
…111110111100111001111100
3222111022001000220211020000000
4231323302321332330321330
5202434403410204201022
61553355131535234300
760360356500116042
oct5573627176747174
9874261026736000
10202021202022012
115940878a95007a
121a7a908b978990
13889569624c7b9
1437c5c42294392
15185507d5c26ac
hexb7bcb9fbce7c

202021202022012 has 768 divisors, whose sum is σ = 567001645056000. Its totient is φ = 62869462951680.

The previous prime is 202021202021999. The next prime is 202021202022121. The reversal of 202021202022012 is 210220202120202.

202021202022012 is a `hidden beast` number, since 202 + 0 + 212 + 0 + 20 + 220 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 482150839939 + ... + 482150840357.

It is an arithmetic number, because the mean of its divisors is an integer number (738283392000).

Almost surely, 2202021202022012 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 202021202022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283500822528000).

202021202022012 is an abundant number, since it is smaller than the sum of its proper divisors (364980443033988).

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

202021202022012 is a wasteful number, since it uses less digits than its factorization.

202021202022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202021202022012 its reverse (210220202120202), we get a palindrome (412241404142214).

The spelling of 202021202022012 in words is "two hundred two trillion, twenty-one billion, two hundred two million, twenty-two thousand, twelve".