2012140220042 has 8 divisors (see below), whose sum is σ = 3018239558532. Its totient is φ = 1006060367200.

The previous prime is 2012140220003. The next prime is 2012140220047. The reversal of 2012140220042 is 2400220412102.

It can be written as a sum of positive squares in 2 ways, for example, as 2010074608441 + 2065611601 = 1417771^2 + 45449^2 .

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

It is a super-3 number, since 3×2012140220042³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2012140219996 and 2012140220023.

It is not an unprimeable number, because it can be changed into a prime (2012140220047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4610459 + ... + 5027982.

Almost surely, 2^{2012140220042} is an apocalyptic number.

2012140220042 is a deficient number, since it is larger than the sum of its proper divisors (1006099338490).

2012140220042 is a wasteful number, since it uses less digits than its factorization.

2012140220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9742824.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2012140220042 its reverse (2400220412102), we get a palindrome (4412360632144).

The spelling of 2012140220042 in words is "two trillion, twelve billion, one hundred forty million, two hundred twenty thousand, forty-two".