1200221200210 has 32 divisors (see below), whose sum is σ = 2284480848384. Its totient is φ = 453270000000.

The previous prime is 1200221200193. The next prime is 1200221200271. The reversal of 1200221200210 is 120021220021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47202916 + ... + 47228335.

It is an arithmetic number, because the mean of its divisors is an integer number (71390026512).

Almost surely, 2^{1200221200210} is an apocalyptic number.

1200221200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200221200210 is a deficient number, since it is larger than the sum of its proper divisors (1084259648174).

1200221200210 is a wasteful number, since it uses less digits than its factorization.

1200221200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94431330.

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

Adding to 1200221200210 its reverse (120021220021), we get a palindrome (1320242420231).

The spelling of 1200221200210 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred thousand, two hundred ten".