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1011112010212 = 22252778002553
BaseRepresentation
bin11101011011010101111…
…10001110000111100100
310120122212010122000211211
432231222332032013210
5113031224133311322
62052255355241204
7133023204165163
oct16555276160744
93518763560754
101011112010212
1135a8a0408707
12143b63449204
1374469480505
1436d1c1533da
151b47c07db77
hexeb6af8e1e4

1011112010212 has 6 divisors (see below), whose sum is σ = 1769446017878. Its totient is φ = 505556005104.

The previous prime is 1011112010203. The next prime is 1011112010213. The reversal of 1011112010212 is 2120102111101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 742895743396 + 268216266816 = 861914^2 + 517896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011112010192 and 1011112010201.

It is not an unprimeable number, because it can be changed into a prime (1011112010213) 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 as a sum of consecutive naturals, namely, 126389001273 + ... + 126389001280.

Almost surely, 21011112010212 is an apocalyptic number.

It is an amenable number.

1011112010212 is a deficient number, since it is larger than the sum of its proper divisors (758334007666).

1011112010212 is a wasteful number, since it uses less digits than its factorization.

1011112010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252778002557 (or 252778002555 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011112010212 its reverse (2120102111101), we get a palindrome (3131214121313).

The spelling of 1011112010212 in words is "one trillion, eleven billion, one hundred twelve million, ten thousand, two hundred twelve".

Divisors: 1 2 4 252778002553 505556005106 1011112010212