120121324430 has 16 divisors (see below), whose sum is σ = 227598299280. Its totient is φ = 45519659712.

The previous prime is 120121324381. The next prime is 120121324457. The reversal of 120121324430 is 34423121021.

It is a junction number, because it is equal to n+sod(n) for n = 120121324396 and 120121324405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316108559 + ... + 316108938.

It is an arithmetic number, because the mean of its divisors is an integer number (14224893705).

Almost surely, 2^120121324430 is an apocalyptic number.

120121324430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121324430 is a deficient number, since it is larger than the sum of its proper divisors (107476974850).

120121324430 is a wasteful number, since it uses less digits than its factorization.

120121324430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632217523.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 120121324430 its reverse (34423121021), we get a palindrome (154544445451).

The spelling of 120121324430 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred thirty".