1234142312 has 128 divisors (see below), whose sum is σ = 2682408960. Its totient is φ = 528353280.

The previous prime is 1234142311. The next prime is 1234142323. The reversal of 1234142312 is 2132414321.

It is not an unprimeable number, because it can be changed into a prime (1234142311) 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, 9717593 + ... + 9717719.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^1234142312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234142312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341204480).

1234142312 is an abundant number, since it is smaller than the sum of its proper divisors (1448266648).

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

1234142312 is a wasteful number, since it uses less digits than its factorization.

1234142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1234142312 is about 35130.3616833075. The cubic root of 1234142312 is about 1072.6426981611.

Adding to 1234142312 its reverse (2132414321), we get a palindrome (3366556633).

The spelling of 1234142312 in words is "one billion, two hundred thirty-four million, one hundred forty-two thousand, three hundred twelve".