120215000105617 has 4 divisors (see below), whose sum is σ = 120229464678976. Its totient is φ = 120200535532260.

The previous prime is 120215000105597. The next prime is 120215000105647. The reversal of 120215000105617 is 716501000512021.

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 a de Polignac number, because none of the positive numbers 2^k-120215000105617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120215000105647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7232274213 + ... + 7232290834.

It is an arithmetic number, because the mean of its divisors is an integer number (30057366169744).

Almost surely, 2^{120215000105617} is an apocalyptic number.

It is an amenable number.

120215000105617 is a deficient number, since it is larger than the sum of its proper divisors (14464573359).

120215000105617 is an equidigital number, since it uses as much as digits as its factorization.

120215000105617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464573358.

The product of its (nonzero) digits is 4200, while the sum is 31.

Adding to 120215000105617 its reverse (716501000512021), we get a palindrome (836716000617638).

The spelling of 120215000105617 in words is "one hundred twenty trillion, two hundred fifteen billion, one hundred five thousand, six hundred seventeen".