1200020112210 has 64 divisors (see below), whose sum is σ = 2960993756160. Its totient is φ = 311081964480.

The previous prime is 1200020112209. The next prime is 1200020112217. The reversal of 1200020112210 is 122110200021.

It is not an unprimeable number, because it can be changed into a prime (1200020112217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1932190 + ... + 2476569.

It is an arithmetic number, because the mean of its divisors is an integer number (46265527440).

Almost surely, 2^{1200020112210} is an apocalyptic number.

1200020112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200020112210 is an abundant number, since it is smaller than the sum of its proper divisors (1760973643950).

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

1200020112210 is a wasteful number, since it uses less digits than its factorization.

1200020112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409023.

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

Adding to 1200020112210 its reverse (122110200021), we get a palindrome (1322130312231).

The spelling of 1200020112210 in words is "one trillion, two hundred billion, twenty million, one hundred twelve thousand, two hundred ten".