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20112120011210 = 252011212001121
BaseRepresentation
bin1001001001010101101111…
…10001001101100111001010
32122012200220020001012200112
410210222313301031213022
510114004110210324320
6110435214055034322
74144024040263013
oct444526761154712
978180806035615
1020112120011210
116454558473a27
122309a4436b9a2
13b2b745a87036
144d7608c1a00a
1524d268149ec5
hex124ab7c4d9ca

20112120011210 has 8 divisors (see below), whose sum is σ = 36201816020196. Its totient is φ = 8044848004480.

The previous prime is 20112120011149. The next prime is 20112120011257. The reversal of 20112120011210 is 1211002121102.

20112120011210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19028099618641 + 1084020392569 = 4362121^2 + 1041163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005606000551 + ... + 1005606000570.

Almost surely, 220112120011210 is an apocalyptic number.

20112120011210 is a deficient number, since it is larger than the sum of its proper divisors (16089696008986).

20112120011210 is a wasteful number, since it uses less digits than its factorization.

20112120011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011212001128.

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

Adding to 20112120011210 its reverse (1211002121102), we get a palindrome (21323122132312).

The spelling of 20112120011210 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 2011212001121 4022424002242 10056060005605 20112120011210