1200120220210 has 32 divisors (see below), whose sum is σ = 2164551229440. Its totient is φ = 479085720768.

The previous prime is 1200120220193. The next prime is 1200120220217. The reversal of 1200120220210 is 120220210021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1200120220217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10469164 + ... + 10583176.

It is an arithmetic number, because the mean of its divisors is an integer number (67642225920).

Almost surely, 2^{1200120220210} is an apocalyptic number.

1200120220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120220210 is a deficient number, since it is larger than the sum of its proper divisors (964431009230).

1200120220210 is a wasteful number, since it uses less digits than its factorization.

1200120220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116122.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200120220210 its reverse (120220210021), we get a palindrome (1320340430231).

The spelling of 1200120220210 in words is "one trillion, two hundred billion, one hundred twenty million, two hundred twenty thousand, two hundred ten".