1212000330 has 16 divisors (see below), whose sum is σ = 2908800864. Its totient is φ = 323200080.

The previous prime is 1212000323. The next prime is 1212000337. The reversal of 1212000330 is 330002121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1212000323) and next prime (1212000337).

It is not an unprimeable number, because it can be changed into a prime (1212000337) by changing a digit.

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, 20199976 + ... + 20200035.

It is an arithmetic number, because the mean of its divisors is an integer number (181800054).

Almost surely, 2^1212000330 is an apocalyptic number.

1212000330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212000330 is an abundant number, since it is smaller than the sum of its proper divisors (1696800534).

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

1212000330 is a wasteful number, since it uses less digits than its factorization.

1212000330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400021.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1212000330 is about 34813.7951105593. The cubic root of 1212000330 is about 1066.1891190242.

Adding to 1212000330 its reverse (330002121), we get a palindrome (1542002451).

The spelling of 1212000330 in words is "one billion, two hundred twelve million, three hundred thirty", and thus it is an aban number.