2121300435430 has 16 divisors (see below), whose sum is σ = 4165462673424. Its totient is φ = 771381976480.

The previous prime is 2121300435421. The next prime is 2121300435431. The reversal of 2121300435430 is 345340031212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121300435431) 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, 9642274597 + ... + 9642274816.

It is an arithmetic number, because the mean of its divisors is an integer number (260341417089).

Almost surely, 2^{2121300435430} is an apocalyptic number.

2121300435430 is a deficient number, since it is larger than the sum of its proper divisors (2044162237994).

2121300435430 is a wasteful number, since it uses less digits than its factorization.

2121300435430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19284549431.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 2121300435430 its reverse (345340031212), we get a palindrome (2466640466642).

The spelling of 2121300435430 in words is "two trillion, one hundred twenty-one billion, three hundred million, four hundred thirty-five thousand, four hundred thirty".