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22220120210112 = 26321129397304609
BaseRepresentation
bin1010000110101100001100…
…10111110011101011000000
32220200020000101022121122100
411003112012113303223000
510403023301233210422
6115131440551110400
74452231202315446
oct503260627635300
986606011277570
1022220120210112
117097555643740
1225aa4a9372400
13c5246b410636
1456b661046b96
15287ee289b7ac
hex1435865f3ac0

22220120210112 has 336 divisors, whose sum is σ = 72057103840800. Its totient is φ = 6484787527680.

The previous prime is 22220120210111. The next prime is 22220120210143. The reversal of 22220120210112 is 21101202102222.

It is a happy number.

22220120210112 is a `hidden beast` number, since 2 + 2 + 220 + 120 + 210 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22220120210111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72794064 + ... + 73098672.

Almost surely, 222220120210112 is an apocalyptic number.

22220120210112 is a gapful number since it is divisible by the number (22) 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 22220120210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36028551920400).

22220120210112 is an abundant number, since it is smaller than the sum of its proper divisors (49836983630688).

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

22220120210112 is a wasteful number, since it uses less digits than its factorization.

22220120210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305064 (or 305051 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22220120210112 its reverse (21101202102222), we get a palindrome (43321322312334).

The spelling of 22220120210112 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred twelve".