1210212012 has 24 divisors (see below), whose sum is σ = 2871691200. Its totient is φ = 396566416.

The previous prime is 1210211941. The next prime is 1210212023. The reversal of 1210212012 is 2102120121.

It is a super-2 number, since 2×1210212012² = 2929226227978176288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 853962 + ... + 855377.

It is an arithmetic number, because the mean of its divisors is an integer number (119653800).

Almost surely, 2^1210212012 is an apocalyptic number.

1210212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210212012 is an abundant number, since it is smaller than the sum of its proper divisors (1661479188).

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

1210212012 is a wasteful number, since it uses less digits than its factorization.

1210212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709405 (or 1709403 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1210212012 is about 34788.1015866057. The cubic root of 1210212012 is about 1065.6644701737.

Adding to 1210212012 its reverse (2102120121), we get a palindrome (3312332133).

The spelling of 1210212012 in words is "one billion, two hundred ten million, two hundred twelve thousand, twelve".