1233013212 has 48 divisors (see below), whose sum is σ = 3215227680. Its totient is φ = 408622464.

The previous prime is 1233013183. The next prime is 1233013259. The reversal of 1233013212 is 2123103321.

1233013212 is a `hidden beast` number, since 12 + 330 + 1 + 321 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14313 + ... + 51680.

It is an arithmetic number, because the mean of its divisors is an integer number (66983910).

Almost surely, 2^1233013212 is an apocalyptic number.

1233013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233013212 is an abundant number, since it is smaller than the sum of its proper divisors (1982214468).

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

1233013212 is a wasteful number, since it uses less digits than its factorization.

1233013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66179 (or 66171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1233013212 is about 35114.2878612111. The cubic root of 1233013212 is about 1072.3154829519.

Adding to 1233013212 its reverse (2123103321), we get a palindrome (3356116533).

The spelling of 1233013212 in words is "one billion, two hundred thirty-three million, thirteen thousand, two hundred twelve".