4200042012 has 48 divisors (see below), whose sum is σ = 10064151552. Its totient is φ = 1362623040.

The previous prime is 4200042001. The next prime is 4200042023. The reversal of 4200042012 is 2102400024.

It is an interprime number because it is at equal distance from previous prime (4200042001) and next prime (4200042023).

It is a junction number, because it is equal to n+sod(n) for n = 4200041982 and 4200042000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81513 + ... + 122655.

It is an arithmetic number, because the mean of its divisors is an integer number (209669824).

Almost surely, 2^4200042012 is an apocalyptic number.

It is an amenable number.

4200042012 is an abundant number, since it is smaller than the sum of its proper divisors (5864109540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4200042012 is a wasteful number, since it uses less digits than its factorization.

4200042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41378 (or 41376 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4200042012 is about 64807.7311128850. The cubic root of 4200042012 is about 1613.4340256387.

Adding to 4200042012 its reverse (2102400024), we get a palindrome (6302442036).

The spelling of 4200042012 in words is "four billion, two hundred million, forty-two thousand, twelve".