1040043013122 has 16 divisors (see below), whose sum is σ = 2089413768960. Its totient is φ = 345126380592.

The previous prime is 1040043013103. The next prime is 1040043013129. The reversal of 1040043013122 is 2213103400401.

It is not an unprimeable number, because it can be changed into a prime (1040043013129) 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, 388654497 + ... + 388657172.

It is an arithmetic number, because the mean of its divisors is an integer number (130588360560).

Almost surely, 2^{1040043013122} is an apocalyptic number.

1040043013122 is an abundant number, since it is smaller than the sum of its proper divisors (1049370755838).

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

1040043013122 is a wasteful number, since it uses less digits than its factorization.

1040043013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777311897.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1040043013122 its reverse (2213103400401), we get a palindrome (3253146413523).

The spelling of 1040043013122 in words is "one trillion, forty billion, forty-three million, thirteen thousand, one hundred twenty-two".