1012143330 has 64 divisors (see below), whose sum is σ = 2944425600. Its totient is φ = 245367360.

The previous prime is 1012143329. The next prime is 1012143337. The reversal of 1012143330 is 333412101.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012143337) 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 31 ways as a sum of consecutive naturals, for example, 167425 + ... + 173364.

It is an arithmetic number, because the mean of its divisors is an integer number (46006650).

Almost surely, 2^1012143330 is an apocalyptic number.

1012143330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012143330 is an abundant number, since it is smaller than the sum of its proper divisors (1932282270).

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

1012143330 is a wasteful number, since it uses less digits than its factorization.

1012143330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340816 (or 340810 counting only the distinct ones).

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

The square root of 1012143330 is about 31814.2001313879. The cubic root of 1012143330 is about 1004.0315018184.

Adding to 1012143330 its reverse (333412101), we get a palindrome (1345555431).

The spelling of 1012143330 in words is "one billion, twelve million, one hundred forty-three thousand, three hundred thirty".