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12202120020000 = 25354391951893
BaseRepresentation
bin1011000110010000011100…
…0001111000000000100000
31121012111210201112222000010
42301210013001320000200
53044404420211120000
641541324311324520
72366400623564601
oct261440701700040
947174721488003
1012202120020000
113984987708449
121450a29380740
136a6868cb9161
1430282b47bda8
15162612563d50
hexb1907078020

12202120020000 has 240 divisors, whose sum is σ = 40036378757760. Its totient is φ = 3253005696000.

The previous prime is 12202120019987. The next prime is 12202120020007. The reversal of 12202120020000 is 2002120221.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12202120020007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235114054 + ... + 235165946.

It is an arithmetic number, because the mean of its divisors is an integer number (166818244824).

Almost surely, 212202120020000 is an apocalyptic number.

12202120020000 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 12202120020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20018189378880).

12202120020000 is an abundant number, since it is smaller than the sum of its proper divisors (27834258737760).

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

12202120020000 is an equidigital number, since it uses as much as digits as its factorization.

12202120020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55845 (or 55822 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12202120020000 its reverse (2002120221), we get a palindrome (12204122140221).

The spelling of 12202120020000 in words is "twelve trillion, two hundred two billion, one hundred twenty million, twenty thousand".