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20121202201112 = 238928260115451
BaseRepresentation
bin1001001001100110101010…
…00111000001001000011000
32122020120100011210021001022
410210303111013001020120
510114131210230413422
6110443315213542012
74144465101520535
oct444632507011030
978216304707038
1020121202201112
1164583990a16a1
12230b759aa4908
13b2c5625833bc
144d7c2b107d8c
1524d5ea65e342
hex124cd51c1218

20121202201112 has 16 divisors (see below), whose sum is σ = 38151155860200. Its totient is φ = 9947560638400.

The previous prime is 20121202201091. The next prime is 20121202201141. The reversal of 20121202201112 is 21110220212102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14130057014 + ... + 14130058437.

Almost surely, 220121202201112 is an apocalyptic number.

It is an amenable number.

20121202201112 is a deficient number, since it is larger than the sum of its proper divisors (18029953659088).

20121202201112 is a wasteful number, since it uses less digits than its factorization.

20121202201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28260115546 (or 28260115542 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20121202201112 its reverse (21110220212102), we get a palindrome (41231422413214).

The spelling of 20121202201112 in words is "twenty trillion, one hundred twenty-one billion, two hundred two million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 89 178 356 712 28260115451 56520230902 113040461804 226080923608 2515150275139 5030300550278 10060601100556 20121202201112