1200110021210 has 16 divisors (see below), whose sum is σ = 2287268511336. Its totient is φ = 451806125568.

The previous prime is 1200110021197. The next prime is 1200110021239. The reversal of 1200110021210 is 121200110021.

It can be written as a sum of positive squares in 4 ways, for example, as 1005084446521 + 195025574689 = 1002539^2 + 441617^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200110021191 and 1200110021200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529735187 + ... + 3529735526.

Almost surely, 2^{1200110021210} is an apocalyptic number.

1200110021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200110021210 is a deficient number, since it is larger than the sum of its proper divisors (1087158490126).

1200110021210 is a wasteful number, since it uses less digits than its factorization.

1200110021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059470737.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200110021210 its reverse (121200110021), we get a palindrome (1321310131231).

The spelling of 1200110021210 in words is "one trillion, two hundred billion, one hundred ten million, twenty-one thousand, two hundred ten".