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20012110100012 = 22471392639929009
BaseRepresentation
bin1001000110011011011101…
…01101101011011000101100
32121212010202100202022211102
410203031232231223120230
510110334300141200022
6110321234135342232
74133553513124622
oct443155655533054
977763670668742
1020012110100012
1164160a7489458
1222b2593221978
13b221981b72a4
144d283c739512
1524a863103a92
hex12336eb6b62c

20012110100012 has 48 divisors (see below), whose sum is σ = 36026242560000. Its totient is φ = 9722002424064.

The previous prime is 20012110099987. The next prime is 20012110100051. The reversal of 20012110100012 is 21000101121002.

It is a junction number, because it is equal to n+sod(n) for n = 20012110099966 and 20012110100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689844164 + ... + 689873172.

It is an arithmetic number, because the mean of its divisors is an integer number (750546720000).

Almost surely, 220012110100012 is an apocalyptic number.

It is an amenable number.

20012110100012 is a deficient number, since it is larger than the sum of its proper divisors (16014132459988).

20012110100012 is a wasteful number, since it uses less digits than its factorization.

20012110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55598 (or 55596 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012110100012 its reverse (21000101121002), we get a palindrome (41012211221014).

The spelling of 20012110100012 in words is "twenty trillion, twelve billion, one hundred ten million, one hundred thousand, twelve".

Divisors: 1 2 4 47 94 139 188 278 556 6533 13066 26132 26399 29009 52798 58018 105596 116036 1240753 1363423 2481506 2726846 3669461 4032251 4963012 5453692 7338922 8064502 14677844 16129004 172464667 189515797 344929334 379031594 689858668 758063188 765808591 1531617182 3063234364 35993003777 71986007554 106447394149 143972015108 212894788298 425789576596 5003027525003 10006055050006 20012110100012