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2220120012000 = 253531147449797
BaseRepresentation
bin100000010011101001011…
…101101111010011100000
321212020111222111001020010
4200103221131233103200
5242333301210341000
64415524204444520
7316253433510132
oct40235135572340
97766458431203
102220120012000
11786602960880
122ba335849740
1313148308a697
1479650b77052
153cb3c9c6d50
hex204e976f4e0

2220120012000 has 768 divisors, whose sum is σ = 8131356979200. Its totient is φ = 524926976000.

The previous prime is 2220120011971. The next prime is 2220120012017. The reversal of 2220120012000 is 2100210222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2785595602 + ... + 2785596398.

It is an arithmetic number, because the mean of its divisors is an integer number (10587704400).

Almost surely, 22220120012000 is an apocalyptic number.

2220120012000 is a gapful number since it is divisible by the number (20) 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 2220120012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4065678489600).

2220120012000 is an abundant number, since it is smaller than the sum of its proper divisors (5911236967200).

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

2220120012000 is a wasteful number, since it uses less digits than its factorization.

2220120012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1314 counting only the distinct ones).

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

Adding to 2220120012000 its reverse (2100210222), we get a palindrome (2222220222222).

The spelling of 2220120012000 in words is "two trillion, two hundred twenty billion, one hundred twenty million, twelve thousand".