1210210210210 has 8 divisors (see below), whose sum is σ = 2178378378396. Its totient is φ = 484084084080.

The previous prime is 1210210210171. The next prime is 1210210210229. The reversal of 1210210210210 is 120120120121.

It can be written as a sum of positive squares in 2 ways, for example, as 1096466577129 + 113743633081 = 1047123^2 + 337259^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60510510501 + ... + 60510510520.

Almost surely, 2^{1210210210210} is an apocalyptic number.

1210210210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210210210210 is a deficient number, since it is larger than the sum of its proper divisors (968168168186).

1210210210210 is a wasteful number, since it uses less digits than its factorization.

1210210210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121021021028.

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

Adding to 1210210210210 its reverse (120120120121), we get a palindrome (1330330330331).

The spelling of 1210210210210 in words is "one trillion, two hundred ten billion, two hundred ten million, two hundred ten thousand, two hundred ten".