121345043530 has 8 divisors (see below), whose sum is σ = 218421078372. Its totient is φ = 48538017408.

The previous prime is 121345043497. The next prime is 121345043537. The reversal of 121345043530 is 35340543121.

121345043530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 109930044249 + 11414999281 = 331557^2 + 106841^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121345043492 and 121345043501.

It is not an unprimeable number, because it can be changed into a prime (121345043537) 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, 6067252167 + ... + 6067252186.

Almost surely, 2^121345043530 is an apocalyptic number.

121345043530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121345043530 is a deficient number, since it is larger than the sum of its proper divisors (97076034842).

121345043530 is a wasteful number, since it uses less digits than its factorization.

121345043530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134504360.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 121345043530 its reverse (35340543121), we get a palindrome (156685586651).

The spelling of 121345043530 in words is "one hundred twenty-one billion, three hundred forty-five million, forty-three thousand, five hundred thirty".