121200230330 has 16 divisors (see below), whose sum is σ = 220091039784. Its totient is φ = 48051064320.

The previous prime is 121200230303. The next prime is 121200230341. The reversal of 121200230330 is 33032002121.

It can be written as a sum of positive squares in 4 ways, for example, as 87639089521 + 33561140809 = 296039^2 + 183197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121200230299 and 121200230308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53627291 + ... + 53629550.

Almost surely, 2^121200230330 is an apocalyptic number.

121200230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200230330 is a deficient number, since it is larger than the sum of its proper divisors (98890809454).

121200230330 is a wasteful number, since it uses less digits than its factorization.

121200230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107256961.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 121200230330 its reverse (33032002121), we get a palindrome (154232232451).

The spelling of 121200230330 in words is "one hundred twenty-one billion, two hundred million, two hundred thirty thousand, three hundred thirty".