4350121331345 has 16 divisors (see below), whose sum is σ = 5223057596928. Its totient is φ = 3478156080000.

The previous prime is 4350121331333. The next prime is 4350121331399. The reversal of 4350121331345 is 5431331210534.

It is not a de Polignac number, because 4350121331345 - 2²⁰ = 4350120282769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165699470 + ... + 165725720.

It is an arithmetic number, because the mean of its divisors is an integer number (326441099808).

Almost surely, 2^{4350121331345} is an apocalyptic number.

It is an amenable number.

4350121331345 is a deficient number, since it is larger than the sum of its proper divisors (872936265583).

4350121331345 is a wasteful number, since it uses less digits than its factorization.

4350121331345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43480.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 4350121331345 its reverse (5431331210534), we get a palindrome (9781452541879).

The spelling of 4350121331345 in words is "four trillion, three hundred fifty billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred forty-five".