121320321123030 has 64 divisors (see below), whose sum is σ = 301234840574400. Its totient is φ = 31233824294400.

The previous prime is 121320321123011. The next prime is 121320321123031. The reversal of 121320321123030 is 30321123023121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320321123031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4221036 + ... + 16138704.

It is an arithmetic number, because the mean of its divisors is an integer number (4706794383975).

Almost surely, 2^{121320321123030} is an apocalyptic number.

121320321123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320321123030 is an abundant number, since it is smaller than the sum of its proper divisors (179914519451370).

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

121320321123030 is a wasteful number, since it uses less digits than its factorization.

121320321123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929409.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121320321123030 its reverse (30321123023121), we get a palindrome (151641444146151).

The spelling of 121320321123030 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred twenty-one million, one hundred twenty-three thousand, thirty".