121434012145313 has 4 divisors (see below), whose sum is σ = 138781728166080. Its totient is φ = 104086296124548.

The previous prime is 121434012145309. The next prime is 121434012145387. The reversal of 121434012145313 is 313541210434121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121434012145313 - 2² = 121434012145309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121434012141313) 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 3 ways as a sum of consecutive naturals, for example, 8673858010373 + ... + 8673858010386.

It is an arithmetic number, because the mean of its divisors is an integer number (34695432041520).

Almost surely, 2^{121434012145313} is an apocalyptic number.

It is an amenable number.

121434012145313 is a deficient number, since it is larger than the sum of its proper divisors (17347716020767).

121434012145313 is an equidigital number, since it uses as much as digits as its factorization.

121434012145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347716020766.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 121434012145313 its reverse (313541210434121), we get a palindrome (434975222579434).

The spelling of 121434012145313 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twelve million, one hundred forty-five thousand, three hundred thirteen".