121330321230 has 32 divisors (see below), whose sum is σ = 300586088448. Its totient is φ = 31311050400.

The previous prime is 121330321193. The next prime is 121330321243. The reversal of 121330321230 is 32123033121.

It is a junction number, because it is equal to n+sod(n) for n = 121330321197 and 121330321206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65230426 + ... + 65232285.

It is an arithmetic number, because the mean of its divisors is an integer number (9393315264).

Almost surely, 2^121330321230 is an apocalyptic number.

121330321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121330321230 is an abundant number, since it is smaller than the sum of its proper divisors (179255767218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121330321230 is a wasteful number, since it uses less digits than its factorization.

121330321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130462752.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121330321230 its reverse (32123033121), we get a palindrome (153453354351).

The spelling of 121330321230 in words is "one hundred twenty-one billion, three hundred thirty million, three hundred twenty-one thousand, two hundred thirty".