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2122211123312 = 2472107197281457
BaseRepresentation
bin11110111000011101101…
…000111110000001110000
321111212210112122011102112
4132320131220332001300
5234232242021421222
64302532541304452
7306216240625100
oct36703550760160
97455715564375
102122211123312
1174902a942645
122a3370265128
1312517b876017
1474a0372b200
153a30c14abe2
hex1ee1da3e070

2122211123312 has 240 divisors, whose sum is σ = 4880227654368. Its totient is φ = 891300372480.

The previous prime is 2122211123287. The next prime is 2122211123321. The reversal of 2122211123312 is 2133211122212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4643787788 + ... + 4643788244.

Almost surely, 22122211123312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122211123312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440113827184).

2122211123312 is an abundant number, since it is smaller than the sum of its proper divisors (2758016531056).

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

2122211123312 is a wasteful number, since it uses less digits than its factorization.

2122211123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1051 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

Adding to 2122211123312 its reverse (2133211122212), we get a palindrome (4255422245524).

The spelling of 2122211123312 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-three thousand, three hundred twelve".