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20120211112010 = 25101197101121833
BaseRepresentation
bin1001001001100100110100…
…00010010100000001001010
32122020110210002212201101112
410210302122002110001022
510114122143021041020
6110443033011250322
74144431405432122
oct444623202240112
978213702781345
1020120211112010
116457a2a704799
12230b521ba99a2
13b2c435146149
144d7b75639c82
1524d58d63d2c5
hex124c9a09404a

20120211112010 has 32 divisors (see below), whose sum is σ = 36760618070352. Its totient is φ = 7927951628800.

The previous prime is 20120211111977. The next prime is 20120211112033. The reversal of 20120211112010 is 1021111202102.

It can be written as a sum of positive squares in 8 ways, for example, as 14835954952009 + 5284256160001 = 3851747^2 + 2298751^2 .

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, 50361947 + ... + 50759886.

Almost surely, 220120211112010 is an apocalyptic number.

20120211112010 is a deficient number, since it is larger than the sum of its proper divisors (16640406958342).

20120211112010 is a wasteful number, since it uses less digits than its factorization.

20120211112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101122138.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20120211112010 its reverse (1021111202102), we get a palindrome (21141322314112).

The spelling of 20120211112010 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 101 197 202 394 505 985 1010 1970 19897 39794 99485 198970 101121833 202243666 505609165 1011218330 10213305133 19921001101 20426610266 39842002202 51066525665 99605005505 102133051330 199210011010 2012021111201 4024042222402 10060105556005 20120211112010