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120123030000 = 2435441611601
BaseRepresentation
bin110111111011111100…
…0111111100111110000
3102111001120200011221010
41233313320333213300
53432002443430000
6131103405230520
711451521623311
oct1576770774760
9374046604833
10120123030000
1146a42356406
121b344b62440
13b43483249c
145b57810608
1531d0ba8d50
hex1bf7e3f9f0

120123030000 has 400 divisors, whose sum is σ = 403995205152. Its totient is φ = 30720000000.

The previous prime is 120123029993. The next prime is 120123030029. The reversal of 120123030000 is 30321021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75029200 + ... + 75030800.

Almost surely, 2120123030000 is an apocalyptic number.

120123030000 is a gapful number since it is divisible by the number (10) 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 120123030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201997602576).

120123030000 is an abundant number, since it is smaller than the sum of its proper divisors (283872175152).

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

120123030000 is a wasteful number, since it uses less digits than its factorization.

120123030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 120123030000 its reverse (30321021), we get a palindrome (120153351021).

The spelling of 120123030000 in words is "one hundred twenty billion, one hundred twenty-three million, thirty thousand".