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12222020210000 = 245440915671907
BaseRepresentation
bin1011000111011010100100…
…1011000100110101010000
31121021102011121021100200012
42301312221023010311100
53100221144133210000
641554415113414052
72401004024450336
oct261665113046520
947242147240605
1012222020210000
113992369865767
121454861a0a328
136a86baab8903
143037983c1b56
15162dc9666735
hexb1da92c4d50

12222020210000 has 200 divisors, whose sum is σ = 29697576733440. Its totient is φ = 4871187072000.

The previous prime is 12222020209999. The next prime is 12222020210021. The reversal of 12222020210000 is 1202022221.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent 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, 6409029047 + ... + 6409030953.

Almost surely, 212222020210000 is an apocalyptic number.

12222020210000 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 12222020210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14848788366720).

12222020210000 is an abundant number, since it is smaller than the sum of its proper divisors (17475556523440).

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

12222020210000 is a wasteful number, since it uses less digits than its factorization.

12222020210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3890 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222020210000 its reverse (1202022221), we get a palindrome (12223222232221).

The spelling of 12222020210000 in words is "twelve trillion, two hundred twenty-two billion, twenty million, two hundred ten thousand".