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1021120220212 = 221991282814347
BaseRepresentation
bin11101101101111111000…
…00100000110000110100
310121121200121211202222021
432312333200200300310
5113212223234021322
62101032434042524
7133526211443041
oct16667740406064
93547617752867
101021120220212
1136406681aa44
12145a97119444
13753a2a83871
14375cb4121c8
151b865a0e4c7
hexedbf820c34

1021120220212 has 12 divisors (see below), whose sum is σ = 1795940087200. Its totient is φ = 507994481016.

The previous prime is 1021120220207. The next prime is 1021120220221. The reversal of 1021120220212 is 2120220211201.

It is a happy number.

1021120220212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641406378 + ... + 641407969.

Almost surely, 21021120220212 is an apocalyptic number.

It is an amenable number.

1021120220212 is a deficient number, since it is larger than the sum of its proper divisors (774819866988).

1021120220212 is a wasteful number, since it uses less digits than its factorization.

1021120220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282814550 (or 1282814548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1021120220212 its reverse (2120220211201), we get a palindrome (3141340431413).

The spelling of 1021120220212 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 199 398 796 1282814347 2565628694 5131257388 255280055053 510560110106 1021120220212