121235134318 has 8 divisors (see below), whose sum is σ = 181865384712. Its totient is φ = 60613339416.

The previous prime is 121235134309. The next prime is 121235134337. The reversal of 121235134318 is 813431532121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077905 + ... + 2135452.

It is an arithmetic number, because the mean of its divisors is an integer number (22733173089).

Almost surely, 2^121235134318 is an apocalyptic number.

121235134318 is a deficient number, since it is larger than the sum of its proper divisors (60630250394).

121235134318 is a wasteful number, since it uses less digits than its factorization.

121235134318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227746.

The product of its digits is 17280, while the sum is 34.

Adding to 121235134318 its reverse (813431532121), we get a palindrome (934666666439).

The spelling of 121235134318 in words is "one hundred twenty-one billion, two hundred thirty-five million, one hundred thirty-four thousand, three hundred eighteen".