4124202100042 has 4 divisors (see below), whose sum is σ = 6186303150066. Its totient is φ = 2062101050020.

The previous prime is 4124202100013. The next prime is 4124202100079. The reversal of 4124202100042 is 2400012024214.

4124202100042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3536509674721 + 587692425321 = 1880561^2 + 766611^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4124202099986 and 4124202100022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031050525009 + ... + 1031050525012.

Almost surely, 2^{4124202100042} is an apocalyptic number.

4124202100042 is a deficient number, since it is larger than the sum of its proper divisors (2062101050024).

4124202100042 is a wasteful number, since it uses less digits than its factorization.

4124202100042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062101050023.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 4124202100042 its reverse (2400012024214), we get a palindrome (6524214124256).

The spelling of 4124202100042 in words is "four trillion, one hundred twenty-four billion, two hundred two million, one hundred thousand, forty-two".