121200033 has 4 divisors (see below), whose sum is σ = 161600048. Its totient is φ = 80800020.

The previous prime is 121200017. The next prime is 121200047. The reversal of 121200033 is 330002121.

It is a happy number.

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 not a de Polignac number, because 121200033 - 2⁴ = 121200017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121199991 and 121200018.

It is not an unprimeable number, because it can be changed into a prime (121200073) 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, 20200003 + ... + 20200008.

It is an arithmetic number, because the mean of its divisors is an integer number (40400012).

Almost surely, 2^121200033 is an apocalyptic number.

It is an amenable number.

121200033 is a deficient number, since it is larger than the sum of its proper divisors (40400015).

121200033 is an equidigital number, since it uses as much as digits as its factorization.

121200033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400014.

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

The square root of 121200033 is about 11009.0886543801. The cubic root of 121200033 is about 494.8811509382.

Adding to 121200033 its reverse (330002121), we get a palindrome (451202154).

The spelling of 121200033 in words is "one hundred twenty-one million, two hundred thousand, thirty-three".