121550325234020 has 48 divisors (see below), whose sum is σ = 255464764047360. Its totient is φ = 48580317058944.

The previous prime is 121550325234011. The next prime is 121550325234083. The reversal of 121550325234020 is 20432523055121.

It is a super-3 number, since 3×121550325234020³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164155262 + ... + 164894058.

It is an arithmetic number, because the mean of its divisors is an integer number (5322182584320).

Almost surely, 2^{121550325234020} is an apocalyptic number.

121550325234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121550325234020 is an abundant number, since it is smaller than the sum of its proper divisors (133914438813340).

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

121550325234020 is a wasteful number, since it uses less digits than its factorization.

121550325234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745532 (or 745530 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 121550325234020 its reverse (20432523055121), we get a palindrome (141982848289141).

The spelling of 121550325234020 in words is "one hundred twenty-one trillion, five hundred fifty billion, three hundred twenty-five million, two hundred thirty-four thousand, twenty".