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20121012020006 = 2591691771007921
BaseRepresentation
bin1001001001100110010011…
…10001100010001100100110
32122020112211220221001121122
410210303021301202030212
510114130313034120011
6110443244301413542
74144460302146632
oct444631161421446
978215756831548
1020121012020006
116458300805827
12230b70626a2b2
13b2c5320563c1
144d7c0db5ddc2
1524d5d8ae43db
hex124cc9c62326

20121012020006 has 16 divisors (see below), whose sum is σ = 30693281060880. Its totient is φ = 9889920687360.

The previous prime is 20121012019987. The next prime is 20121012020017. The reversal of 20121012020006 is 60002021012102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19458926 + ... + 20466846.

It is an arithmetic number, because the mean of its divisors is an integer number (1918330066305).

Almost surely, 220121012020006 is an apocalyptic number.

20121012020006 is a deficient number, since it is larger than the sum of its proper divisors (10572269040874).

20121012020006 is a wasteful number, since it uses less digits than its factorization.

20121012020006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177159.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20121012020006 its reverse (60002021012102), we get a palindrome (80123033032108).

The spelling of 20121012020006 in words is "twenty trillion, one hundred twenty-one billion, twelve million, twenty thousand, six".

Divisors: 1 2 59 118 169177 338354 1007921 2015842 9981443 19962886 59467339 118934678 170517051017 341034102034 10060506010003 20121012020006