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202012101212 = 22479811052563
BaseRepresentation
bin1011110000100011011…
…1000000101001011100
3201022102120102000110112
42330020313000221130
511302210044214322
6232445244225152
720411022346205
oct2741067005134
9638376360415
10202012101212
1178744623669
123319953b1b8
13160851425cc
149ac540a5ac
1553c4e275e2
hex2f08dc0a5c

202012101212 has 12 divisors (see below), whose sum is σ = 353528880936. Its totient is φ = 101003849520.

The previous prime is 202012101139. The next prime is 202012101223. The reversal of 202012101212 is 212101210202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334358 + ... + 718205.

It is an arithmetic number, because the mean of its divisors is an integer number (29460740078).

Almost surely, 2202012101212 is an apocalyptic number.

It is an amenable number.

202012101212 is a deficient number, since it is larger than the sum of its proper divisors (151516779724).

202012101212 is a wasteful number, since it uses less digits than its factorization.

202012101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100548 (or 1100546 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202012101212 its reverse (212101210202), we get a palindrome (414113311414).

The spelling of 202012101212 in words is "two hundred two billion, twelve million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 47981 95962 191924 1052563 2105126 4210252 50503025303 101006050606 202012101212