20121323232030 has 32 divisors (see below), whose sum is σ = 48587440650624. Its totient is φ = 5332767873696.

The previous prime is 20121323232013. The next prime is 20121323232041. The reversal of 20121323232030 is 3023232312102.

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, 2057390124 + ... + 2057399903.

It is an arithmetic number, because the mean of its divisors is an integer number (1518357520332).

Almost surely, 2^{20121323232030} is an apocalyptic number.

20121323232030 is an abundant number, since it is smaller than the sum of its proper divisors (28466117418594).

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

20121323232030 is a wasteful number, since it uses less digits than its factorization.

20121323232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114790200.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20121323232030 its reverse (3023232312102), we get a palindrome (23144555544132).

The spelling of 20121323232030 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty-three million, two hundred thirty-two thousand, thirty".