121343231234 has 8 divisors (see below), whose sum is σ = 182338143120. Its totient is φ = 60563850196.

The previous prime is 121343231221. The next prime is 121343231281. The reversal of 121343231234 is 432132343121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121343231197 and 121343231206.

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, 53881304 + ... + 53883555.

It is an arithmetic number, because the mean of its divisors is an integer number (22792267890).

Almost surely, 2^121343231234 is an apocalyptic number.

121343231234 is a deficient number, since it is larger than the sum of its proper divisors (60994911886).

121343231234 is a wasteful number, since it uses less digits than its factorization.

121343231234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107765424.

The product of its digits is 10368, while the sum is 29.

Adding to 121343231234 its reverse (432132343121), we get a palindrome (553475574355).

The spelling of 121343231234 in words is "one hundred twenty-one billion, three hundred forty-three million, two hundred thirty-one thousand, two hundred thirty-four".