1210303212 has 24 divisors (see below), whose sum is σ = 2827914096. Its totient is φ = 402881088.

The previous prime is 1210303201. The next prime is 1210303247. The reversal of 1210303212 is 2123030121.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1210303191 and 1210303200.

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 7 ways as a sum of consecutive naturals, for example, 60003 + ... + 77594.

It is an arithmetic number, because the mean of its divisors is an integer number (117829754).

Almost surely, 2^1210303212 is an apocalyptic number.

1210303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210303212 is an abundant number, since it is smaller than the sum of its proper divisors (1617610884).

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

1210303212 is a wasteful number, since it uses less digits than its factorization.

1210303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138337 (or 138335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1210303212 is about 34789.4123549105. The cubic root of 1210303212 is about 1065.6912385298.

Adding to 1210303212 its reverse (2123030121), we get a palindrome (3333333333).

The spelling of 1210303212 in words is "one billion, two hundred ten million, three hundred three thousand, two hundred twelve".