121424530120 has 32 divisors (see below), whose sum is σ = 273242185920. Its totient is φ = 48563235520.

The previous prime is 121424530091. The next prime is 121424530229. The reversal of 121424530120 is 21035424121.

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, 99165 + ... + 502675.

It is an arithmetic number, because the mean of its divisors is an integer number (8538818310).

Almost surely, 2^121424530120 is an apocalyptic number.

121424530120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121424530120 is an abundant number, since it is smaller than the sum of its proper divisors (151817655800).

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

121424530120 is a wasteful number, since it uses less digits than its factorization.

121424530120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411045 (or 411041 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121424530120 its reverse (21035424121), we get a palindrome (142459954241).

The spelling of 121424530120 in words is "one hundred twenty-one billion, four hundred twenty-four million, five hundred thirty thousand, one hundred twenty".