1042221031244 has 12 divisors (see below), whose sum is σ = 1848871555944. Its totient is φ = 513972015264.

The previous prime is 1042221031141. The next prime is 1042221031249. The reversal of 1042221031244 is 4421301222401.

It is not an unprimeable number, because it can be changed into a prime (1042221031249) 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, 1784624762 + ... + 1784625345.

It is an arithmetic number, because the mean of its divisors is an integer number (154072629662).

Almost surely, 2^{1042221031244} is an apocalyptic number.

It is an amenable number.

1042221031244 is a deficient number, since it is larger than the sum of its proper divisors (806650524700).

1042221031244 is a wasteful number, since it uses less digits than its factorization.

1042221031244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569250184 (or 3569250182 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1042221031244 its reverse (4421301222401), we get a palindrome (5463522253645).

The spelling of 1042221031244 in words is "one trillion, forty-two billion, two hundred twenty-one million, thirty-one thousand, two hundred forty-four".