121235404550231 has 8 divisors (see below), whose sum is σ = 124192881635424. Its totient is φ = 118277952036480.

The previous prime is 121235404550209. The next prime is 121235404550233. The reversal of 121235404550231 is 132055404532121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121235404550231 - 2¹⁴ = 121235404533847 is a prime.

It is a super-2 number, since 2×121235404550231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121235404550233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4049270 + ... + 16089356.

It is an arithmetic number, because the mean of its divisors is an integer number (15524110204428).

Almost surely, 2^{121235404550231} is an apocalyptic number.

121235404550231 is a deficient number, since it is larger than the sum of its proper divisors (2957477085193).

121235404550231 is a wasteful number, since it uses less digits than its factorization.

121235404550231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12285721.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 121235404550231 in words is "one hundred twenty-one trillion, two hundred thirty-five billion, four hundred four million, five hundred fifty thousand, two hundred thirty-one".