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202012111012012 = 22711222364289123
BaseRepresentation
bin101101111011101010011100…
…000111100000000010101100
3222111021011120100111001201221
4231323222130013200002230
5202434231300404341022
61553351025503313124
760356615300604520
oct5573523407400254
9874234510431657
10202012111012012
1159404945248774
121a7a73732ab7a4
138894877985942
1437c561cb4bd80
151854bea419cc7
hexb7ba9c1e00ac

202012111012012 has 24 divisors (see below), whose sum is σ = 404027828499456. Its totient is φ = 86575846189008.

The previous prime is 202012111012009. The next prime is 202012111012043. The reversal of 202012111012012 is 210210111210202.

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 7 ways as a sum of consecutive naturals, for example, 29002318 + ... + 35286805.

It is an arithmetic number, because the mean of its divisors is an integer number (16834492854144).

Almost surely, 2202012111012012 is an apocalyptic number.

It is an amenable number.

202012111012012 is an abundant number, since it is smaller than the sum of its proper divisors (202015717487444).

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

202012111012012 is a wasteful number, since it uses less digits than its factorization.

202012111012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64401357 (or 64401355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202012111012012 its reverse (210210111210202), we get a palindrome (412222222222214).

The spelling of 202012111012012 in words is "two hundred two trillion, twelve billion, one hundred eleven million, twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 112223 224446 448892 785561 1571122 3142244 64289123 128578246 257156492 450023861 900047722 1800095444 7214718250429 14429436500858 28858873001716 50503027753003 101006055506006 202012111012012