1200120220110 has 64 divisors (see below), whose sum is σ = 3358937088000. Its totient is φ = 274313190816.

The previous prime is 1200120220099. The next prime is 1200120220111. The reversal of 1200120220110 is 110220210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200120220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58304590 + ... + 58325169.

It is an arithmetic number, because the mean of its divisors is an integer number (52483392000).

Almost surely, 2^{1200120220110} is an apocalyptic number.

1200120220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120220110 is an abundant number, since it is smaller than the sum of its proper divisors (2158816867890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200120220110 is a wasteful number, since it uses less digits than its factorization.

1200120220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116629790 (or 116629776 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200120220110 its reverse (110220210021), we get a palindrome (1310340430131).

The spelling of 1200120220110 in words is "one trillion, two hundred billion, one hundred twenty million, two hundred twenty thousand, one hundred ten".