2012420242 has 16 divisors (see below), whose sum is σ = 3561149952. Its totient is φ = 834644160.

The previous prime is 2012420231. The next prime is 2012420243. The reversal of 2012420242 is 2420242102.

It is a super-3 number, since 3×2012420242³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2012420243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318023 + ... + 2318890.

It is an arithmetic number, because the mean of its divisors is an integer number (222571872).

Almost surely, 2^2012420242 is an apocalyptic number.

2012420242 is a deficient number, since it is larger than the sum of its proper divisors (1548729710).

2012420242 is a wasteful number, since it uses less digits than its factorization.

2012420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636953.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2012420242 is about 44860.0071555946. The cubic root of 2012420242 is about 1262.5237569885.

Adding to 2012420242 its reverse (2420242102), we get a palindrome (4432662344).

The spelling of 2012420242 in words is "two billion, twelve million, four hundred twenty thousand, two hundred forty-two".