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20120020001211 = 31311324118943853
BaseRepresentation
bin1001001001100100011101…
…01001010010000110111011
32122020110021210021021122210
410210302032221102012323
510114121300110014321
6110443002023150203
74144423565136564
oct444621651220673
978213253237583
1020120020001211
116457941843389
12230b489ba5363
13b2c404681c30
144d7b580cd16b
1524d57b98cb76
hex124c8ea521bb

20120020001211 has 32 divisors (see below), whose sum is σ = 29266890472512. Its totient is φ = 12221057802240.

The previous prime is 20120020001171. The next prime is 20120020001293. The reversal of 20120020001211 is 11210002002102.

It is not a de Polignac number, because 20120020001211 - 222 = 20120015806907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120020001911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8409840 + ... + 10534013.

It is an arithmetic number, because the mean of its divisors is an integer number (914590327266).

Almost surely, 220120020001211 is an apocalyptic number.

20120020001211 is a deficient number, since it is larger than the sum of its proper divisors (9146870471301).

20120020001211 is a wasteful number, since it uses less digits than its factorization.

20120020001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944223.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20120020001211 its reverse (11210002002102), we get a palindrome (31330022003313).

The spelling of 20120020001211 in words is "twenty trillion, one hundred twenty billion, twenty million, one thousand, two hundred eleven".

Divisors: 1 3 13 39 113 241 339 723 1469 3133 4407 9399 27233 81699 354029 1062087 18943853 56831559 246270089 738810267 2140655389 4565468573 6421966167 13696405719 27828520057 59351091449 83485560171 178053274347 515897948749 1547693846247 6706673333737 20120020001211