42012011 has 8 divisors (see below), whose sum is σ = 42719904. Its totient is φ = 41307840.

The previous prime is 42011993. The next prime is 42012017. The reversal of 42012011 is 11021024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42012011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42011983 and 42012001.

It is not an unprimeable number, because it can be changed into a prime (42012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30050 + ... + 31416.

It is an arithmetic number, because the mean of its divisors is an integer number (5339988).

Almost surely, 2^42012011 is an apocalyptic number.

42012011 is a deficient number, since it is larger than the sum of its proper divisors (707893).

42012011 is a wasteful number, since it uses less digits than its factorization.

42012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 42012011 is about 6481.6673009342. The cubic root of 42012011 is about 347.6357966924.

Adding to 42012011 its reverse (11021024), we get a palindrome (53033035).

The spelling of 42012011 in words is "forty-two million, twelve thousand, eleven".