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12022202021020 = 22529316710879181
BaseRepresentation
bin1010111011110010001100…
…0101001011010010011100
31120120022101221002122000021
42232330203011023102130
53033432432204133040
641322531240241524
72350401242043532
oct256744305132234
946508357078007
1012022202021020
113915650693904
121421b971702a4
136928c5355a29
142d7c4050a152
1515cad215724a
hexaef2314b49c

12022202021020 has 192 divisors, whose sum is σ = 27390226268160. Its totient is φ = 4421663769600.

The previous prime is 12022202021003. The next prime is 12022202021023. The reversal of 12022202021020 is 2012020222021.

12022202021020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12022202020985 and 12022202021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022202021023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1309460830 + ... + 1309470010.

It is an arithmetic number, because the mean of its divisors is an integer number (142657428480).

Almost surely, 212022202021020 is an apocalyptic number.

12022202021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022202021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13695113134080).

12022202021020 is an abundant number, since it is smaller than the sum of its proper divisors (15368024247140).

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

12022202021020 is a wasteful number, since it uses less digits than its factorization.

12022202021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022202021020 its reverse (2012020222021), we get a palindrome (14034222243041).

The spelling of 12022202021020 in words is "twelve trillion, twenty-two billion, two hundred two million, twenty-one thousand, twenty".