12120000220105 has 8 divisors (see below), whose sum is σ = 14882232828672. Its totient is φ = 9470511799728.

The previous prime is 12120000220103. The next prime is 12120000220121. The reversal of 12120000220105 is 50102200002121.

It is a happy number.

12120000220105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12120000220105 - 2¹ = 12120000220103 is a prime.

It is a super-2 number, since 2×12120000220105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120000220103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28186046809 + ... + 28186047238.

It is an arithmetic number, because the mean of its divisors is an integer number (1860279103584).

Almost surely, 2^{12120000220105} is an apocalyptic number.

It is an amenable number.

12120000220105 is a deficient number, since it is larger than the sum of its proper divisors (2762232608567).

12120000220105 is an equidigital number, since it uses as much as digits as its factorization.

12120000220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56372094095.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12120000220105 its reverse (50102200002121), we get a palindrome (62222200222226).

The spelling of 12120000220105 in words is "twelve trillion, one hundred twenty billion, two hundred twenty thousand, one hundred five".