121325232530 has 32 divisors (see below), whose sum is σ = 228884413824. Its totient is φ = 46215575296.

The previous prime is 121325232499. The next prime is 121325232571. The reversal of 121325232530 is 35232523121.

It is a junction number, because it is equal to n+sod(n) for n = 121325232493 and 121325232502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109687 + ... + 1214106.

It is an arithmetic number, because the mean of its divisors is an integer number (7152637932).

Almost surely, 2^121325232530 is an apocalyptic number.

121325232530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121325232530 is a deficient number, since it is larger than the sum of its proper divisors (107559181294).

121325232530 is a wasteful number, since it uses less digits than its factorization.

121325232530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324050.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 121325232530 its reverse (35232523121), we get a palindrome (156557755651).

The spelling of 121325232530 in words is "one hundred twenty-one billion, three hundred twenty-five million, two hundred thirty-two thousand, five hundred thirty".