1242142412 has 24 divisors (see below), whose sum is σ = 2490502560. Its totient is φ = 531014400.

The previous prime is 1242142409. The next prime is 1242142427. The reversal of 1242142412 is 2142412421.

It is a nude number because it is divisible by every one of its digits.

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, 44087 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (103770940).

Almost surely, 2^1242142412 is an apocalyptic number.

It is an amenable number.

1242142412 is an abundant number, since it is smaller than the sum of its proper divisors (1248360148).

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

1242142412 is a wasteful number, since it uses less digits than its factorization.

1242142412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111041 (or 111039 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 1242142412 is about 35244.0408012475. The cubic root of 1242142412 is about 1074.9554441962.

Adding to 1242142412 its reverse (2142412421), we get a palindrome (3384554833).

The spelling of 1242142412 in words is "one billion, two hundred forty-two million, one hundred forty-two thousand, four hundred twelve".