1210212330210 has 48 divisors (see below), whose sum is σ = 3388594527864. Its totient is φ = 297898419456.

The previous prime is 1210212330203. The next prime is 1210212330233. The reversal of 1210212330210 is 120332120121.

1210212330210 is a `hidden beast` number, since 1 + 210 + 212 + 3 + 30 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 571640332761 + 638571997449 = 756069^2 + 799107^2 .

It is a super-2 number, since 2×1210212330210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 517183587 + ... + 517185926.

Almost surely, 2^{1210212330210} is an apocalyptic number.

1210212330210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210212330210 is an abundant number, since it is smaller than the sum of its proper divisors (2178382197654).

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

1210212330210 is a wasteful number, since it uses less digits than its factorization.

1210212330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034369539 (or 1034369536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1210212330210 its reverse (120332120121), we get a palindrome (1330544450331).

The spelling of 1210212330210 in words is "one trillion, two hundred ten billion, two hundred twelve million, three hundred thirty thousand, two hundred ten".