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20002122111012 = 2231666843509251
BaseRepresentation
bin1001000110001000110110…
…11000100001100000100100
32121211011222021120220200220
410203010123120201200210
510110203321230023022
6110312503102204340
74133051142456306
oct443043330414044
977734867526626
1020002122111012
116411941528498
1222b06662836b0
13b21265b43b22
144d2172021976
1524a47b31985c
hex12311b621824

20002122111012 has 12 divisors (see below), whose sum is σ = 46671618259056. Its totient is φ = 6667374037000.

The previous prime is 20002122110953. The next prime is 20002122111073. The reversal of 20002122111012 is 21011122120002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20002122110982 and 20002122111000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833421754614 + ... + 833421754637.

It is an arithmetic number, because the mean of its divisors is an integer number (3889301521588).

Almost surely, 220002122111012 is an apocalyptic number.

It is an amenable number.

20002122111012 is an abundant number, since it is smaller than the sum of its proper divisors (26669496148044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002122111012 is a wasteful number, since it uses less digits than its factorization.

20002122111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666843509258 (or 1666843509256 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20002122111012 its reverse (21011122120002), we get a palindrome (41013244231014).

The spelling of 20002122111012 in words is "twenty trillion, two billion, one hundred twenty-two million, one hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 1666843509251 3333687018502 5000530527753 6667374037004 10001061055506 20002122111012