4030120512442 has 16 divisors (see below), whose sum is σ = 6365236053600. Its totient is φ = 1908438090480.

The previous prime is 4030120512437. The next prime is 4030120512443. The reversal of 4030120512442 is 2442150210304.

It is a self number, because there is not a number n which added to its sum of digits gives 4030120512442.

It is not an unprimeable number, because it can be changed into a prime (4030120512443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15602517 + ... + 15858712.

It is an arithmetic number, because the mean of its divisors is an integer number (397827253350).

Almost surely, 2^{4030120512442} is an apocalyptic number.

4030120512442 is a deficient number, since it is larger than the sum of its proper divisors (2335115541158).

4030120512442 is a wasteful number, since it uses less digits than its factorization.

4030120512442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31464621.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 4030120512442 its reverse (2442150210304), we get a palindrome (6472270722746).

The spelling of 4030120512442 in words is "four trillion, thirty billion, one hundred twenty million, five hundred twelve thousand, four hundred forty-two".