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30012120220200 = 233524111811033027
BaseRepresentation
bin1101101001011101111011…
…10000111100001000101000
310221021010112021000201221120
412310232331300330020220
512413204310234021300
6143455213325335240
76215206213512156
oct664567560741050
9127233467021846
1030012120220200
1196210834a4968
123448672407520
131399191476c91
1475a846d403d6
15370a3dd953a0
hex1b4bbdc3c228

30012120220200 has 192 divisors, whose sum is σ = 95387574179520. Its totient is φ = 7801412352000.

The previous prime is 30012120220139. The next prime is 30012120220217. The reversal of 30012120220200 is 202202121003.

It is a happy number.

It is a super-2 number, since 2×300121202202002 (a number of 28 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30012120220200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28536087 + ... + 29569113.

It is an arithmetic number, because the mean of its divisors is an integer number (496810282185).

Almost surely, 230012120220200 is an apocalyptic number.

30012120220200 is a gapful number since it is divisible by the number (30) 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 30012120220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47693787089760).

30012120220200 is an abundant number, since it is smaller than the sum of its proper divisors (65375453959320).

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

30012120220200 is a wasteful number, since it uses less digits than its factorization.

30012120220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034268 (or 1034259 counting only the distinct ones).

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

Adding to 30012120220200 its reverse (202202121003), we get a palindrome (30214322341203).

The spelling of 30012120220200 in words is "thirty trillion, twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred".