1210320212 has 12 divisors (see below), whose sum is σ = 2129763636. Its totient is φ = 601816320.

The previous prime is 1210320179. The next prime is 1210320229. The reversal of 1210320212 is 2120230121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 562923076 + 647397136 = 23726^2 + 25444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835133 + ... + 836580.

It is an arithmetic number, because the mean of its divisors is an integer number (177480303).

Almost surely, 2^1210320212 is an apocalyptic number.

It is an amenable number.

1210320212 is a deficient number, since it is larger than the sum of its proper divisors (919443424).

1210320212 is a wasteful number, since it uses less digits than its factorization.

1210320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671898 (or 1671896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1210320212 is about 34789.6566812609. The cubic root of 1210320212 is about 1065.6962280967.

Adding to 1210320212 its reverse (2120230121), we get a palindrome (3330550333).

Subtracting 1210320212 from its reverse (2120230121), we obtain a palindrome (909909909).

The spelling of 1210320212 in words is "one billion, two hundred ten million, three hundred twenty thousand, two hundred twelve".