120012211105 has 8 divisors (see below), whose sum is σ = 144968393664. Its totient is φ = 95373942000.

The previous prime is 120012211087. The next prime is 120012211133. The reversal of 120012211105 is 501112210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120012211105 - 2¹³ = 120012202913 is a prime.

It is a super-2 number, since 2×120012211105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79477531 + ... + 79479040.

It is an arithmetic number, because the mean of its divisors is an integer number (18121049208).

Almost surely, 2^120012211105 is an apocalyptic number.

It is an amenable number.

120012211105 is a deficient number, since it is larger than the sum of its proper divisors (24956182559).

120012211105 is a wasteful number, since it uses less digits than its factorization.

120012211105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158956727.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 120012211105 its reverse (501112210021), we get a palindrome (621124421126).

The spelling of 120012211105 in words is "one hundred twenty billion, twelve million, two hundred eleven thousand, one hundred five".