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121200030033 = 340400010011
BaseRepresentation
bin111000011100000010…
…1011011000101010001
3102120211122020110020020
41300320011123011101
53441204201430113
6131402321134053
711520310154145
oct1607005330521
9376748213206
10121200030033
1147445291485
121b5a578a329
13b5769bc404
145c1a883225
1532454ea023
hex1c3815b151

121200030033 has 4 divisors (see below), whose sum is σ = 161600040048. Its totient is φ = 80800020020.

The previous prime is 121200030011. The next prime is 121200030041. The reversal of 121200030033 is 330030002121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121200030033 - 25 = 121200030001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121200029994 and 121200030021.

It is not an unprimeable number, because it can be changed into a prime (121200030733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20200005003 + ... + 20200005008.

It is an arithmetic number, because the mean of its divisors is an integer number (40400010012).

Almost surely, 2121200030033 is an apocalyptic number.

It is an amenable number.

121200030033 is a deficient number, since it is larger than the sum of its proper divisors (40400010015).

121200030033 is an equidigital number, since it uses as much as digits as its factorization.

121200030033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40400010014.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 121200030033 its reverse (330030002121), we get a palindrome (451230032154).

The spelling of 121200030033 in words is "one hundred twenty-one billion, two hundred million, thirty thousand, thirty-three".

Divisors: 1 3 40400010011 121200030033