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12211002020000 = 25547405721499
BaseRepresentation
bin1011000110110001100001…
…1100000001000010100000
31121020100201201121022110002
42301230120130001002200
53100031113004120000
641545353515355132
72400134004414410
oct261543034010240
947210651538402
1012211002020000
113988725333513
1214526a7a52aa8
136a7653192964
14303030d38640
151629821d28d5
hexb1b187010a0

12211002020000 has 240 divisors, whose sum is σ = 34342513128000. Its totient is φ = 4185402624000.

The previous prime is 12211002019987. The next prime is 12211002020057. The reversal of 12211002020000 is 2020011221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 567969251 + ... + 567990749.

It is an arithmetic number, because the mean of its divisors is an integer number (143093804700).

Almost surely, 212211002020000 is an apocalyptic number.

12211002020000 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 12211002020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17171256564000).

12211002020000 is an abundant number, since it is smaller than the sum of its proper divisors (22131511108000).

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

12211002020000 is an equidigital number, since it uses as much as digits as its factorization.

12211002020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593 (or 25570 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12211002020000 its reverse (2020011221), we get a palindrome (12213022031221).

The spelling of 12211002020000 in words is "twelve trillion, two hundred eleven billion, two million, twenty thousand".