121314431124342 has 24 divisors (see below), whose sum is σ = 269951932323216. Its totient is φ = 39345220904976.

The previous prime is 121314431124317. The next prime is 121314431124347. The reversal of 121314431124342 is 243421134413121.

121314431124342 is a `hidden beast` number, since 1 + 2 + 1 + 314 + 4 + 311 + 24 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121314431124297 and 121314431124306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121314431124347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91076899578 + ... + 91076900909.

It is an arithmetic number, because the mean of its divisors is an integer number (11247997180134).

Almost surely, 2^{121314431124342} is an apocalyptic number.

121314431124342 is an abundant number, since it is smaller than the sum of its proper divisors (148637501198874).

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

121314431124342 is a wasteful number, since it uses less digits than its factorization.

121314431124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182153800532 (or 182153800529 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 121314431124342 its reverse (243421134413121), we get a palindrome (364735565537463).

The spelling of 121314431124342 in words is "one hundred twenty-one trillion, three hundred fourteen billion, four hundred thirty-one million, one hundred twenty-four thousand, three hundred forty-two".