1213012330 has 16 divisors (see below), whose sum is σ = 2253855744. Its totient is φ = 469553040.

The previous prime is 1213012303. The next prime is 1213012363. The reversal of 1213012330 is 332103121.

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, 1956162 + ... + 1956781.

It is an arithmetic number, because the mean of its divisors is an integer number (140865984).

Almost surely, 2^1213012330 is an apocalyptic number.

1213012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213012330 is a deficient number, since it is larger than the sum of its proper divisors (1040843414).

1213012330 is a wasteful number, since it uses less digits than its factorization.

1213012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912981.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1213012330 is about 34828.3265460745. The cubic root of 1213012330 is about 1066.4857864947.

Adding to 1213012330 its reverse (332103121), we get a palindrome (1545115451).

The spelling of 1213012330 in words is "one billion, two hundred thirteen million, twelve thousand, three hundred thirty".