1043421342220 has 24 divisors (see below), whose sum is σ = 2193347926224. Its totient is φ = 416956516416.

The previous prime is 1043421342211. The next prime is 1043421342239. The reversal of 1043421342220 is 222431243401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25730514 + ... + 25771033.

It is an arithmetic number, because the mean of its divisors is an integer number (91389496926).

Almost surely, 2^{1043421342220} is an apocalyptic number.

1043421342220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043421342220 is an abundant number, since it is smaller than the sum of its proper divisors (1149926584004).

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

1043421342220 is a wasteful number, since it uses less digits than its factorization.

1043421342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51502569 (or 51502567 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1043421342220 its reverse (222431243401), we get a palindrome (1265852585621).

The spelling of 1043421342220 in words is "one trillion, forty-three billion, four hundred twenty-one million, three hundred forty-two thousand, two hundred twenty".