120105219844 has 27 divisors (see below), whose sum is σ = 223297095007. Its totient is φ = 56514558464.

The previous prime is 120105219797. The next prime is 120105219853. The reversal of 120105219844 is 448912501021.

The square root of 120105219844 is 346562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 29528298244 + 90576921600 = 171838^2 + 300960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11778012 + ... + 11788204.

Almost surely, 2^120105219844 is an apocalyptic number.

120105219844 is the 346562-nd square number.

It is an amenable number.

120105219844 is a deficient number, since it is larger than the sum of its proper divisors (103191875163).

120105219844 is an frugal number, since it uses more digits than its factorization.

120105219844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 120105219844 in words is "one hundred twenty billion, one hundred five million, two hundred nineteen thousand, eight hundred forty-four".