121230342333 has 20 divisors (see below), whose sum is σ = 183577970268. Its totient is φ = 79713097920.

The previous prime is 121230342313. The next prime is 121230342349. The reversal of 121230342333 is 333243032121.

121230342333 is a `hidden beast` number, since 1 + 2 + 1 + 230 + 3 + 423 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89211534489 + 32018807844 = 298683^2 + 178938^2 .

It is not a de Polignac number, because 121230342333 - 2¹² = 121230338237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121230342297 and 121230342306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230342313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10245258 + ... + 10257083.

Almost surely, 2^121230342333 is an apocalyptic number.

It is an amenable number.

121230342333 is a deficient number, since it is larger than the sum of its proper divisors (62347627935).

121230342333 is an equidigital number, since it uses as much as digits as its factorization.

121230342333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20502426 (or 20502417 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 121230342333 its reverse (333243032121), we get a palindrome (454473374454).

The spelling of 121230342333 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred forty-two thousand, three hundred thirty-three".