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20121041323211 = 83331732393307
BaseRepresentation
bin1001001001100110010111…
…00001010100010011001011
32122020112220222001211001112
410210303023201110103023
510114130343034320321
6110443251225440535
74144461106214003
oct444631341242313
978215828054045
1020121041323211
1164583162aa754
12230b71404014b
13b2c53814618a
144d7c139cb003
1524d5db481a5b
hex124ccb8544cb

20121041323211 has 8 divisors (see below), whose sum is σ = 20424984573504. Its totient is φ = 19818562860360.

The previous prime is 20121041323193. The next prime is 20121041323217. The reversal of 20121041323211 is 11232314012102.

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

It is a cyclic number.

It is not a de Polignac number, because 20121041323211 - 238 = 19846163416267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20121041323217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366169181 + ... + 366224126.

It is an arithmetic number, because the mean of its divisors is an integer number (2553123071688).

Almost surely, 220121041323211 is an apocalyptic number.

20121041323211 is a deficient number, since it is larger than the sum of its proper divisors (303943250293).

20121041323211 is an equidigital number, since it uses as much as digits as its factorization.

20121041323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732393721.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20121041323211 its reverse (11232314012102), we get a palindrome (31353355335313).

The spelling of 20121041323211 in words is "twenty trillion, one hundred twenty-one billion, forty-one million, three hundred twenty-three thousand, two hundred eleven".

Divisors: 1 83 331 27473 732393307 60788644481 242422184617 20121041323211