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121130112000 = 210353331953
BaseRepresentation
bin111000011001111101…
…0101101010000000000
3102120122202200020201110
41300303322231100000
53441033302041000
6131351342403320
711515500651402
oct1606372552000
9376582606643
10121130112000
1147409876a87
121b586290540
13b56537bcb1
145c11482b72
15323e2d8850
hex1c33ead400

121130112000 has 352 divisors, whose sum is σ = 404565542784. Its totient is φ = 32169984000.

The previous prime is 121130111981. The next prime is 121130112017. The reversal of 121130112000 is 211031121.

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 31 ways as a sum of consecutive naturals, for example, 127103524 + ... + 127104476.

Almost surely, 2121130112000 is an apocalyptic number.

121130112000 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 121130112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202282771392).

121130112000 is an abundant number, since it is smaller than the sum of its proper divisors (283435430784).

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

121130112000 is an equidigital number, since it uses as much as digits as its factorization.

121130112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1294 counting only the distinct ones).

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

Adding to 121130112000 its reverse (211031121), we get a palindrome (121341143121).

The spelling of 121130112000 in words is "one hundred twenty-one billion, one hundred thirty million, one hundred twelve thousand".