1230143412 has 24 divisors (see below), whose sum is σ = 2875503456. Its totient is φ = 409309408.

The previous prime is 1230143399. The next prime is 1230143417. The reversal of 1230143412 is 2143410321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230143417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 85338 + ... + 98705.

It is an arithmetic number, because the mean of its divisors is an integer number (119812644).

Almost surely, 2^1230143412 is an apocalyptic number.

1230143412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230143412 is an abundant number, since it is smaller than the sum of its proper divisors (1645360044).

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

1230143412 is a wasteful number, since it uses less digits than its factorization.

1230143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184607 (or 184605 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1230143412 is about 35073.4003484122. The cubic root of 1230143412 is about 1071.4829096810.

Adding to 1230143412 its reverse (2143410321), we get a palindrome (3373553733).

The spelling of 1230143412 in words is "one billion, two hundred thirty million, one hundred forty-three thousand, four hundred twelve".