121312134043433 has 8 divisors (see below), whose sum is σ = 122087670946752. Its totient is φ = 120536633192976.

The previous prime is 121312134043427. The next prime is 121312134043481. The reversal of 121312134043433 is 334340431213121.

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 121312134043433 - 2¹² = 121312134039337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312134043393 and 121312134043402.

It is not an unprimeable number, because it can be changed into a prime (121312134043033) 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, 2245835 + ... + 15737472.

It is an arithmetic number, because the mean of its divisors is an integer number (15260958868344).

Almost surely, 2^{121312134043433} is an apocalyptic number.

It is an amenable number.

121312134043433 is a deficient number, since it is larger than the sum of its proper divisors (775536903319).

121312134043433 is a wasteful number, since it uses less digits than its factorization.

121312134043433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026431.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 121312134043433 its reverse (334340431213121), we get a palindrome (455652565256554).

The spelling of 121312134043433 in words is "one hundred twenty-one trillion, three hundred twelve billion, one hundred thirty-four million, forty-three thousand, four hundred thirty-three".