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20021210201012 = 2223217621850011
BaseRepresentation
bin1001000110101100011010…
…00111110011101110110100
32121220000020120012100121012
410203112031013303232310
510111011414302413022
6110325341134211352
74134325152531416
oct443261507635664
977800216170535
1020021210201012
116419a4722aa89
1222b42b2953b58
13b22cb8615037
144d306316a9b6
1524abe6ea4de2
hex12358d1f3bb4

20021210201012 has 12 divisors (see below), whose sum is σ = 36560470802016. Its totient is φ = 9575361400440.

The previous prime is 20021210201011. The next prime is 20021210201039. The reversal of 20021210201012 is 21010201212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021210201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108810924914 + ... + 108810925097.

It is an arithmetic number, because the mean of its divisors is an integer number (3046705900168).

Almost surely, 220021210201012 is an apocalyptic number.

It is an amenable number.

20021210201012 is a deficient number, since it is larger than the sum of its proper divisors (16539260601004).

20021210201012 is a wasteful number, since it uses less digits than its factorization.

20021210201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217621850038 (or 217621850036 counting only the distinct ones).

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

Adding to 20021210201012 its reverse (21010201212002), we get a palindrome (41031411413014).

It can be divided in two parts, 200 and 21210201012, that added together give a palindrome (21210201212).

The spelling of 20021210201012 in words is "twenty trillion, twenty-one billion, two hundred ten million, two hundred one thousand, twelve".

Divisors: 1 2 4 23 46 92 217621850011 435243700022 870487400044 5005302550253 10010605100506 20021210201012