1043012121204 has 24 divisors (see below), whose sum is σ = 2473591589728. Its totient is φ = 341971187040.

The previous prime is 1043012121197. The next prime is 1043012121209. The reversal of 1043012121204 is 4021212103401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043012121209) 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 7 ways as a sum of consecutive naturals, for example, 712439242 + ... + 712440705.

Almost surely, 2^{1043012121204} is an apocalyptic number.

It is an amenable number.

1043012121204 is an abundant number, since it is smaller than the sum of its proper divisors (1430579468524).

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

1043012121204 is a wasteful number, since it uses less digits than its factorization.

1043012121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424880015 (or 1424880013 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1043012121204 its reverse (4021212103401), we get a palindrome (5064224224605).

The spelling of 1043012121204 in words is "one trillion, forty-three billion, twelve million, one hundred twenty-one thousand, two hundred four".