121325912238 has 16 divisors (see below), whose sum is σ = 242657482320. Its totient is φ = 40441027776.

The previous prime is 121325912209. The next prime is 121325912243. The reversal of 121325912238 is 832219523121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121325912196 and 121325912205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74418 + ... + 498186.

It is an arithmetic number, because the mean of its divisors is an integer number (15166092645).

Almost surely, 2^121325912238 is an apocalyptic number.

121325912238 is an abundant number, since it is smaller than the sum of its proper divisors (121331570082).

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

121325912238 is a wasteful number, since it uses less digits than its factorization.

121325912238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471491.

The product of its digits is 51840, while the sum is 39.

The spelling of 121325912238 in words is "one hundred twenty-one billion, three hundred twenty-five million, nine hundred twelve thousand, two hundred thirty-eight".