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20212320120000 = 263541312575003
BaseRepresentation
bin1001001100010000011000…
…01010010010110011000000
32122120021112100020010120220
410212020030022102303000
510122124312422320000
6110553224531103040
74154202064201041
oct446101412226300
978507470203526
1020212320120000
116492aa6856798
122325349141a80
13b38023b8b438
144dc3d268a8c8
15250b7ec111a0
hex12620c292cc0

20212320120000 has 560 divisors, whose sum is σ = 67612296039552. Its totient is φ = 5326929920000.

The previous prime is 20212320119989. The next prime is 20212320120007. The reversal of 20212320120000 is 2102321202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20212320120007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4040037499 + ... + 4040042501.

Almost surely, 220212320120000 is an apocalyptic number.

20212320120000 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 20212320120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33806148019776).

20212320120000 is an abundant number, since it is smaller than the sum of its proper divisors (47399975919552).

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

20212320120000 is a wasteful number, since it uses less digits than its factorization.

20212320120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5401 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20212320120000 its reverse (2102321202), we get a palindrome (20214422441202).

The spelling of 20212320120000 in words is "twenty trillion, two hundred twelve billion, three hundred twenty million, one hundred twenty thousand".