4021043434122 has 64 divisors (see below), whose sum is σ = 9448555769856. Its totient is φ = 1124706720960.

The previous prime is 4021043434103. The next prime is 4021043434139. The reversal of 4021043434122 is 2214343401204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021043434122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17166363 + ... + 17399025.

It is an arithmetic number, because the mean of its divisors is an integer number (147633683904).

Almost surely, 2^{4021043434122} is an apocalyptic number.

4021043434122 is an abundant number, since it is smaller than the sum of its proper divisors (5427512335734).

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

4021043434122 is a wasteful number, since it uses less digits than its factorization.

4021043434122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252835.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4021043434122 its reverse (2214343401204), we get a palindrome (6235386835326).

The spelling of 4021043434122 in words is "four trillion, twenty-one billion, forty-three million, four hundred thirty-four thousand, one hundred twenty-two".