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120200121100 = 22521202001211
BaseRepresentation
bin110111111110001111…
…1000100101100001100
3102111020221201211001001
41233330133010230030
53432132212333400
6131115201430044
711453446112563
oct1577437045414
9374227654031
10120200121100
1146a81920064
121b36693b324
13b4477b4817
145b63b5abda
1531d7835a6a
hex1bfc7c4b0c

120200121100 has 18 divisors (see below), whose sum is σ = 260834263004. Its totient is φ = 48080048400.

The previous prime is 120200121061. The next prime is 120200121113. The reversal of 120200121100 is 1121002021.

It is a super-2 number, since 2×1202001211002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601000506 + ... + 601000705.

Almost surely, 2120200121100 is an apocalyptic number.

120200121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200121100 is an abundant number, since it is smaller than the sum of its proper divisors (140634141904).

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

120200121100 is a wasteful number, since it uses less digits than its factorization.

120200121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202001225 (or 1202001218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120200121100 its reverse (1121002021), we get a palindrome (121321123121).

The spelling of 120200121100 in words is "one hundred twenty billion, two hundred million, one hundred twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1202001211 2404002422 4808004844 6010006055 12020012110 24040024220 30050030275 60100060550 120200121100