121212033 has 8 divisors (see below), whose sum is σ = 163099200. Its totient is φ = 80066448.

The previous prime is 121212017. The next prime is 121212071. The reversal of 121212033 is 330212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121212033 - 2⁴ = 121212017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121212733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185013 + ... + 185666.

It is an arithmetic number, because the mean of its divisors is an integer number (20387400).

Almost surely, 2^121212033 is an apocalyptic number.

It is an amenable number.

121212033 is a deficient number, since it is larger than the sum of its proper divisors (41887167).

121212033 is a wasteful number, since it uses less digits than its factorization.

121212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370791.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121212033 is about 11009.6336451310. The cubic root of 121212033 is about 494.8974831060.

Adding to 121212033 its reverse (330212121), we get a palindrome (451424154).

The spelling of 121212033 in words is "one hundred twenty-one million, two hundred twelve thousand, thirty-three".