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30220110120312 = 23327967205330203
BaseRepresentation
bin1101101111100001010101…
…11011011100010101111000
310222000000101102201101220100
412313300222323130111320
512430111241142322222
6144134532114555400
76236221333502460
oct667605273342570
9128000342641810
1030220110120312
1196a13053652a2
123480a39898b60
1313b2989bb10a8
1476693821aba0
153761639bc4ac
hex1b7c2aedc578

30220110120312 has 192 divisors, whose sum is σ = 93683877281280. Its totient is φ = 8620901404416.

The previous prime is 30220110120281. The next prime is 30220110120329. The reversal of 30220110120312 is 21302101102203.

30220110120312 is a `hidden beast` number, since 3 + 0 + 220 + 1 + 10 + 120 + 312 = 666.

It is a super-2 number, since 2×302201101203122 (a number of 28 digits) contains 22 as substring.

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

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, 1000551403 + ... + 1000581605.

It is an arithmetic number, because the mean of its divisors is an integer number (487936860840).

Almost surely, 230220110120312 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 30220110120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46841938640640).

30220110120312 is an abundant number, since it is smaller than the sum of its proper divisors (63463767160968).

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

30220110120312 is a wasteful number, since it uses less digits than its factorization.

30220110120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33242 (or 33235 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30220110120312 its reverse (21302101102203), we get a palindrome (51522211222515).

The spelling of 30220110120312 in words is "thirty trillion, two hundred twenty billion, one hundred ten million, one hundred twenty thousand, three hundred twelve".