1200120112210 has 8 divisors (see below), whose sum is σ = 2160216201996. Its totient is φ = 480048044880.

The previous prime is 1200120112181. The next prime is 1200120112237. The reversal of 1200120112210 is 122110210021.

It can be written as a sum of positive squares in 2 ways, for example, as 1139366242921 + 60753869289 = 1067411^2 + 246483^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60006005601 + ... + 60006005620.

Almost surely, 2^{1200120112210} is an apocalyptic number.

1200120112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200120112210 is a deficient number, since it is larger than the sum of its proper divisors (960096089786).

1200120112210 is a wasteful number, since it uses less digits than its factorization.

1200120112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120012011228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200120112210 its reverse (122110210021), we get a palindrome (1322230322231).

The spelling of 1200120112210 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred twelve thousand, two hundred ten".