1210113212 has 36 divisors (see below), whose sum is σ = 2687399064. Its totient is φ = 471471840.

The previous prime is 1210113209. The next prime is 1210113257. The reversal of 1210113212 is 2123110121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278483 + ... + 282794.

It is an arithmetic number, because the mean of its divisors is an integer number (74649974).

Almost surely, 2^1210113212 is an apocalyptic number.

It is an amenable number.

1210113212 is an abundant number, since it is smaller than the sum of its proper divisors (1477285852).

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

1210113212 is a wasteful number, since it uses less digits than its factorization.

1210113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561306 (or 561297 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1210113212 is about 34786.6815318737. The cubic root of 1210113212 is about 1065.6354696036.

Adding to 1210113212 its reverse (2123110121), we get a palindrome (3333223333).

The spelling of 1210113212 in words is "one billion, two hundred ten million, one hundred thirteen thousand, two hundred twelve".