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202102202012012 = 22172972091206059
BaseRepresentation
bin101101111100111110010101…
…111101011001000101101100
3222111120210002221121001101122
4231330332111331121011230
5202442220302203341022
61553500245254200112
760366254653510301
oct5574762575310554
9874523087531348
10202102202012012
115943a076273475
121a800916653038
1388a02045ba073
1437c9b27b770a8
15185721e76e742
hexb7cf95f5916c

202102202012012 has 12 divisors (see below), whose sum is σ = 374483491963560. Its totient is φ = 95106918593856.

The previous prime is 202102202011999. The next prime is 202102202012047. The reversal of 202102202012012 is 210210202201202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486045602962 + ... + 1486045603097.

It is an arithmetic number, because the mean of its divisors is an integer number (31206957663630).

Almost surely, 2202102202012012 is an apocalyptic number.

It is an amenable number.

202102202012012 is a deficient number, since it is larger than the sum of its proper divisors (172381289951548).

202102202012012 is a wasteful number, since it uses less digits than its factorization.

202102202012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972091206080 (or 2972091206078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202102202012012 its reverse (210210202201202), we get a palindrome (412312404213214).

The spelling of 202102202012012 in words is "two hundred two trillion, one hundred two billion, two hundred two million, twelve thousand, twelve".

Divisors: 1 2 4 17 34 68 2972091206059 5944182412118 11888364824236 50525550503003 101051101006006 202102202012012