42132010100042 has 4 divisors (see below), whose sum is σ = 63198015150066. Its totient is φ = 21066005050020.

The previous prime is 42132010100041. The next prime is 42132010100069. The reversal of 42132010100042 is 24000101023124.

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., 37020300593761 + 5111709506281 = 6084431^2 + 2260909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42132010099987 and 42132010100023.

It is not an unprimeable number, because it can be changed into a prime (42132010100041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10533002525009 + ... + 10533002525012.

Almost surely, 2^{42132010100042} is an apocalyptic number.

42132010100042 is a deficient number, since it is larger than the sum of its proper divisors (21066005050024).

42132010100042 is a wasteful number, since it uses less digits than its factorization.

42132010100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21066005050023.

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

Adding to 42132010100042 its reverse (24000101023124), we get a palindrome (66132111123166).

The spelling of 42132010100042 in words is "forty-two trillion, one hundred thirty-two billion, ten million, one hundred thousand, forty-two".