42112300142 has 32 divisors (see below), whose sum is σ = 74517096960. Its totient is φ = 17632631680.

The previous prime is 42112300121. The next prime is 42112300151. The reversal of 42112300142 is 24100321124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180292 + ... + 1215447.

It is an arithmetic number, because the mean of its divisors is an integer number (2328659280).

Almost surely, 2^42112300142 is an apocalyptic number.

42112300142 is a deficient number, since it is larger than the sum of its proper divisors (32404796818).

42112300142 is a wasteful number, since it uses less digits than its factorization.

42112300142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395816.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42112300142 its reverse (24100321124), we get a palindrome (66212621266).

The spelling of 42112300142 in words is "forty-two billion, one hundred twelve million, three hundred thousand, one hundred forty-two".